Control Means At Each Display Element Patents (Class 345/90)
  • Patent number: 10290156
    Abstract: A virtual reality system and a display device that can be used, for example, as part of the virtual reality system. The display device can have more than one data driver, such as an even row data driver and an odd row data driver. The display device can have a configurable resolution such that one region of the display device operates at full resolution while another region of the display device operates at a reduced resolution. The virtual reality system can also track an eye gaze and adjust the full resolution region of the display device to track the eye gaze.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: May 14, 2019
    Assignee: Facebook Technologies, LLC
    Inventor: Nirav Rajendra Patel
  • Patent number: 10162225
    Abstract: An image control panel for a display device includes a first substrate and a second substrate facing each other, a lens electrode formed on the first substrate, a common electrode formed on the second substrate, and a liquid crystal layer interposed between the first substrate and the second substrate. The common electrode includes a first common electrode and a second common electrode separated from each other.
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: December 25, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyung Ho Jung, Kwan-Ho Kim, Ki Yong Lee, Hyung Woo Yim, Kang-Min Kim, Jeong Min Sung, Hyeon Yong Jang
  • Patent number: 10146097
    Abstract: A display device includes a gate line and a data line crossing the gate line. The display device further includes a first switching element and a second switching element each connected to the gate line and the data line. The display device further includes a first sub-pixel electrode and a second sub-pixel electrode connected to the first switching element and the second switching element, respectively. The display device further includes a reference voltage line for transmitting a reference voltage, a first portion of the first reference voltage line overlapping a first edge of the first sub-pixel electrode, a second portion of the first reference voltage line overlapping a second edge of the first sub-pixel electrode opposite the first edge of the first sub-pixel electrode. The display device further includes a third switching element connected to the gate line, the first sub-pixel electrode, and the reference voltage line.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: December 4, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youn Hak Jeong, Shi Yul Kim, Bum Ki Baek, Dong Hee Shin, Ho Jun Lee, Kyong Sik Choi
  • Patent number: 10133140
    Abstract: A semiconductor device capable of maintaining data even after instantaneous power reduction or interruption. The semiconductor device includes first to sixth transistors. The first and fourth transistors are p-channel transistors. The second and fifth transistors are n-channel transistors. In the third and sixth transistors, a channel formation region is included in an oxide semiconductor layer. A high voltage is applied to one of a source and a drain of the first transistor and one of a source and a drain of the fourth transistor. A low voltage is applied to one of a source and a drain of the second transistor and one of a source and a drain of the fifth transistor.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: November 20, 2018
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Takanori Matsuzaki
  • Patent number: 10132694
    Abstract: A method of estimating heat distribution of an image display unit includes: calculating, based on image data, an average current value of a pixel area in a display surface, the pixel area including at least one pixel in an image display unit, the image display unit including pixels arranged therein; calculating heat generation amount data by multiplying the calculated average current value by a predetermined current-heat conversion coefficient to convert the calculated average current value into a value corresponding to an amount of heat generation; and adding the heat generation amount data to a value of a first heat distribution table to update the first heat distribution table, and creating a new first heat distribution table by performing a two-dimensional low pass filter process on the updated table before multiplying a value of the processed table by a predetermined heat dissipation coefficient, at every predetermined period.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: November 20, 2018
    Assignee: Sony Corporation
    Inventors: Ryo Ogawa, Atsushi Ito
  • Patent number: 10109241
    Abstract: A light valve panel and a liquid crystal display using the same are discussed. The light valve panel according to an embodiment includes a transparent electrode layer having a plurality of blocks supplied with a voltage through data input lines. The transparent electrode layer has a low resistance or has a high resistance. When a transparent electrode layer has low resistance, each block is divided into a plurality of segment electrodes connected through a resistance pattern. A voltage is distributed to the plurality of segment electrodes of each block based on the resistance pattern. When a transparent electrode layer has high resistance, the voltage distribution in each block is based on a resistance difference that varies based on a distance between voltage feeding positions.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: October 23, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Ooksang Yoo, Juyoung Lee, Sangjin Nam, Seungjin Yoo
  • Patent number: 10108064
    Abstract: A display device includes a gate line and a data line crossing the gate line. The display device further includes a first switching element and a second switching element each connected to the gate line and the data line. The display device further includes a first sub-pixel electrode and a second sub-pixel electrode connected to the first switching element and the second switching element, respectively. The display device further includes a reference voltage line for transmitting a reference voltage, a first portion of the first reference voltage line overlapping a first edge of the first sub-pixel electrode, a second portion of the first reference voltage line overlapping a second edge of the first sub-pixel electrode opposite the first edge of the first sub-pixel electrode. The display device further includes a third switching element connected to the gate line, the first sub-pixel electrode, and the reference voltage line.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: October 23, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youn Hak Jeong, Shi Yul Kim, Bum Ki Baek, Dong Hee Shin, Ho Jun Lee, Kyong Sik Choi
  • Patent number: 10102788
    Abstract: Embodiments of the present invention relate to a display device and a driving method thereof. More particularly, embodiments of the present invention relate to a display device including a white pixel, and a method of driving such a display device. A display device according to an exemplary embodiment of the present invention includes a plurality of colored pixels and a white pixel, wherein the colored pixels and the white pixel each include at least one switching element, the colored pixels and the white pixel are disposed to be adjacent to each other so as to collectively have a center, and the switching elements are each positioned proximate to the center.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: October 16, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok Kyu Yoon, Sang Uk Lim
  • Patent number: 10074686
    Abstract: In a solid-state imaging device including a plurality of pixels each pixel including a plurality of photodiodes, it is prevented that an incidence angle of incident light on the solid-state imaging device becomes large in a pixel in an end of the solid-state imaging device, causing a difference in output between the two photodiodes in the pixel, and thus autofocus detection accuracy is deteriorated. Photodiodes extending in a longitudinal direction of a pixel allay section are provided in each pixel. The photodiodes in the pixel are arranged in a direction orthogonal to the longitudinal direction of the pixel allay section.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: September 11, 2018
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventor: Masatoshi Kimura
  • Patent number: 10056042
    Abstract: Systems and methods are disclosed for filtering metadata to be used in display management. Given an input video stream and input metadata comprising at least one of minimum, average, or maximum luminance values of the video frames in the video stream, values of a function of the input metadata are filtered using a temporal filter to generate filtered metadata, wherein the filtering is based only on metadata for input frames in the same scene. Methods for temporal filtering based on an exponential moving average filter or a look-ahead sliding window filter are presented, including methods for scene-change detection using the input metadata.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: August 21, 2018
    Assignee: Dolby Laboratories Licensing Corporation
    Inventors: Robin Atkins, Gregory John Ward, Samir N. Hulyalkar, Guan-Ming Su, Sheng Qu
  • Patent number: 10012875
    Abstract: A liquid crystal display (LCD) is provided, which includes: first and second gate lines, a data line intersecting the gate lines, first to fourth drain electrodes located near the intersections between the first and second gate lines and the data line, and a coupling electrode. First to fourth pixel electrodes respectively connected to the first to fourth drain electrodes are also provided, and the first pixel electrode is connected to the coupling electrode while the fourth pixel electrode overlaps the coupling electrode. The LCD further includes a common electrode opposite the pixel electrodes, a liquid crystal layer interposed between the pixel electrodes and the common electrode, and a domain partitioning member formed on at least one of the pixel electrode and the common electrode. Two long edges of the domains are angled with respect to the first and the second gate lines or the data line substantially by about 45°.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: July 3, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Jang-Kun Song
  • Patent number: 9952477
    Abstract: A liquid crystal display panel is disclosed. Said liquid crystal display panel comprises a plurality of sub pixels that are configured in a pixel array, said pixel array being formed by a plurality of data lines and a plurality of scanning lines that are configured orthogonally to each other, and said plurality of scanning lines comprising: a first scanning line, which is turned on during a first time period after a polarity of a voltage of a driving signal of a data line is reversed, wherein the first sub pixel is charged through said data line; and at least one second scanning line, which are turned on during a second time period, wherein the second sub pixel is charged through said data line. A value of an equivalent capacitor of the first sub pixel is larger than that of the second sub pixel, so that the sustaining voltage of the first sub pixel is equal to that of the second sub pixel.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: April 24, 2018
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Caiqin Chen, Je Hao Hsu
  • Patent number: 9953218
    Abstract: For automatically adjusting camera settings responsive to photographic subject matter, an apparatus is disclosed. The apparatus includes an image sensor, a processor, an image module that receives sensor input of photographic subject matter, a subject matter module that identifies a nature of the photographic subject matter, and a configuration module that alters a camera setting, in response to determining the nature of the photographic subject matter. In some embodiments, the apparatus also includes an image center module that identifies a central region of the sensor input, wherein the subject matter module performs, on the central region of the sensor input, one or more analyzes selected from the group consisting of: optical character recognition, facial recognition, color distribution analysis, and light level analysis.
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: April 24, 2018
    Assignee: Lenovo (Singapore) PTE. LTD.
    Inventors: Nathan J. Peterson, John Carl Mese, Russell Speight VanBlon, Arnold S. Weksler
  • Patent number: 9898957
    Abstract: A display device with switchable viewing angle includes a first pixel and a second pixel. The first pixel has a first sub-pixel and a second sub-pixel. The second pixel has a third sub-pixel, a fourth sub-pixel and a fifth sub-pixel. The fifth sub-pixel is configured to be enabled when operating in a narrow viewing angle mode and to be disabled when operating in a wide viewing angle mode. When the fifth sub-pixel is enabled, each viewing angle of the first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel is narrower than that when the fifth sub-pixel is disabled.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: February 20, 2018
    Assignee: AU OPTRONICS CORPORATION
    Inventor: Hui-Feng Lin
  • Patent number: 9898986
    Abstract: The present invention discloses a display device capable of performing black frame insertion. The gamma circuit comprises an either-or multiplex selector. The input data of one input end of the selector is a VCOM voltage outputted by the gamma circuit, and the input data of the other input end of the selector is a voltage converted from a predetermined value after digital to analog conversion stored in a multi time programmable memory of the gamma circuit. As the selector selects the VCOM voltage outputted by the gamma circuit under control of the control port, the outputted VCOM voltage is amplified by an operational amplifier in the gamma circuit and then outputted to the source driving circuit to be a first gamma reference voltage which is required as the source driving circuit performs digital to analog conversion.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: February 20, 2018
    Assignees: Shenzhen China Star Optoelectronics Technology Co., Ltd, Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Feilin Ji, Jiehui Qin
  • Patent number: 9892671
    Abstract: A method of performing gamma correction for LCD panels includes: dividing the display area of a LCD panel to form n sub-areas of the display area; dividing all grey-scale images into n sets to form n sets of grey-scale images; displaying a first chosen grey-scale image of each set of grey-scale images on the corresponding sub-area of n sub-areas concurrently; detecting the brightness of the first chosen grey-scale image with a photosensor installed on the sub-area; examining if there is grey-scale image pending for detection in the set of grey scale images; extracting a gamma curve of the LCD panel; and correcting the gamma curve of the LCD panel.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: February 13, 2018
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Bin Xiong, Yingchi Wang, Gonghua Zou
  • Patent number: 9891483
    Abstract: A liquid crystal display device includes a plurality of pixels arranged in a matrix pattern, each pixel including a first electrode and a second electrode for generating a transverse electric field, wherein: in a first group of pixels arranged in a line along either a row direction or a column direction, pairs of pixels are arranged repeatedly, each pair of pixels including two adjacent pixels that are different from each other in terms of an electrode structure of at least one of the first electrode and the second electrode; and voltages of the same polarity are applied to the two adjacent pixels included in the pair of pixels, and voltages of different polarities from each other are applied to two pixel pairs adjacent to each other in the first group of pixels.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: February 13, 2018
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yusuke Nishihara, Kazuhiko Tsuda, Tetsuo Fukaya, Hideki Fujimoto, Yoshito Hashimoto, Masahiro Shimizu
  • Patent number: 9875715
    Abstract: A display apparatus includes a display panel, a gate driver and a data driver. The display panel includes a plurality of gate lines, a plurality of data lines and a plurality of pixels connected to the gate lines and the data lines. The display panel displays an image. The gate driver is configured to output a gate signal to the gate line. The data driver is configured to selectively operate one of outputting a data voltage to the data line and reading the data voltage stored in the pixel through the data line.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: January 23, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jae-Hyun Cho
  • Patent number: 9835904
    Abstract: A liquid crystal display device includes: a liquid crystal panel; an illuminating device; and a light control member that is disposed on a light emission side of the liquid crystal panel. The light control member diffuses light that is emitted from the liquid crystal panel in an anisotropic manner in a first azimuth angle direction viewed from a normal direction of the liquid crystal panel to control an emission direction of the light. A pixel includes a first region in which a director of liquid crystal molecules is in a first direction, and a second region in which the director of the liquid crystal molecules is in a second orientation opposite to the first orientation in the first direction. A second azimuth angle direction in which light-diffusibility of the light control member is relatively strong, and the first direction approximately match each other.
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: December 5, 2017
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Shohei Katsuta, Tsuyoshi Maeda, Hideomi Yui, Emi Yamamoto
  • Patent number: 9830874
    Abstract: The present invention provides an electronic device (100) having smaller number of drive chips and including a timing controller (10), a gate and a source drive chips (20, 30), a pixel cells matrix (60) and a multiplexer (40). The multiplexer (40) includes a plurality of first signal outputs connected to the pixel cells matrix (60). The timing controller (10) might generate enable signals for the multiplexer (40). In this way, the multiplexer (40) could output scan signals to the pixel cells matrix by a corresponding signal end. The number of the drive chips could be reduced by the present invention.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: November 28, 2017
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventors: Ping-Sheng Kuo, Tai-Jiun Hwang
  • Patent number: 9817290
    Abstract: The present invention discloses a TFT substrate and a display device. The TFT substrate comprises a scan line, a data line and a common electrode covering the scan line and the data line, wherein the data line and the scan line are disposed in a stagger, in order to divide the crosswise formed region into a plurality of pixel units; the common electrode comprises a plurality of common electrode units and a plurality of bridging portions overlapping with the scan lines and the data lines, wherein the common electrode unit and the pixel unit are correspondingly disposed, each bridging portion is connected with at least two adjacent common electrodes in order to make all of the common electrodes be electrically connected. Through the above ways, the present invention can reduce the RC constant and power consumption, thereby improving the product quality.
    Type: Grant
    Filed: July 10, 2015
    Date of Patent: November 14, 2017
    Assignees: Shenzhen China Star Optoelectronics Technology Co., Ltd, Wuhan China Star Optoelectronics Technology Co., Ltd
    Inventors: Sikun Hao, Qipei Zhang
  • Patent number: 9805673
    Abstract: A method of driving a display panel is disclosed. In one aspect, the display panel includes a plurality of pixels, each of the pixels including a first transistor connected to a first gate line and a pixel electrode and a second transistor connected to a second gate line and the pixel electrode. The method including alternately providing the first gate line with a gate signal and a reverse bias signal and alternately providing the second gate line with the gate signal when the first gate line is provided with the reverse bias signal and the reverse bias signal when the first gate line is provided with the gate signal.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: October 31, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Hwa Shin, Joon-Chul Goh, Won-Sik Oh, Hyun-Sik Hwang, Bong-Hyun You
  • Patent number: 9798339
    Abstract: A technique is provided that reduces dullness of a potential provided to a line such as gate line on an active-matrix substrate to enable driving the line at high speed and, at the same time, reduces the size of the picture frame region. On an active-matrix substrate (20a) are provided gate lines (13G) and source lines. On the active-matrix substrate (20a) are further provided: gate drivers (11) each including a plurality of switching elements, at least one of which is located in a pixel region, for supplying a scan signal to a gate line (13G); and lines (15L1) each for supplying a control signal to the associated gate driver (11). A control signal is supplied by a display control circuit (4) located outside the display region to the gate drivers (11) via the lines (15L1). In response to a control signal supplied, each gate driver (11) drives the gate line (13G) to which it is connected.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: October 24, 2017
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kohei Tanaka, Hidefumi Yoshida, Takeshi Noma, Ryo Yonebayashi, Takayuki Nishiyama, Mitsuhiro Murata, Yosuke Iwata
  • Patent number: 9793311
    Abstract: In a solid-state imaging device including a plurality of pixels each pixel including a plurality of photodiodes, it is prevented that an incidence angle of incident light on the solid-state imaging device becomes large in a pixel in an end of the solid-state imaging device, causing a difference in output between the two photodiodes in the pixel, and thus autofocus detection accuracy is deteriorated. Photodiodes extending in a longitudinal direction of a pixel allay section are provided in each pixel. The photodiodes in the pixel are arranged in a direction orthogonal to the longitudinal direction of the pixel allay section.
    Type: Grant
    Filed: July 3, 2016
    Date of Patent: October 17, 2017
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventor: Masatoshi Kimura
  • Patent number: 9759946
    Abstract: A liquid crystal display device of a horizontal electric field type includes: a first electrode and a second electrode formed on a liquid-crystal-side surface of the first transparent substrate, and two polarization plates respectively adhered such that respective transmission axes thereof are orthogonal to each other, wherein the liquid crystal material is rotated by an electric field generated between the first electrode and the second electrode. With respect to the transmission axis located in an extending direction between the first electrode and the second electrode, an initial orientation direction of the liquid crystal material is within a range between a direction rotated by 0.5-degree in an opposite response direction of the liquid crystal material and a direction orthogonal to an electric field direction generated between the first electrode and the second electrode.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: September 12, 2017
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Toshiaki Fujino, Yasunori Niwano, Tetsuya Satake, Syuichi Kira, Hiroshi Umeda, Hironori Matsueda
  • Patent number: 9753337
    Abstract: According to one embodiment, a display device includes a unit pixel includes a first pixel including a first pixel electrode, a second pixel including a second pixel electrode, a third pixel including a third pixel electrode, and a fourth pixel including a fourth pixel electrode, a scanning line electrically connected to the first to fourth pixels, and first to fourth signal lines extending in the column direction and disposed at intervals in the row direction, the first to fourth signal lines electrically connected to the first to fourth pixels, respectively, wherein the first to fourth pixel electrodes are light reflective, and the scanning line is sequentially drawn into each pixel area of the first to fourth pixels in a manner that an entire width of the scanning line is contained within each pixel area.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: September 5, 2017
    Assignee: Japan Display Inc.
    Inventor: Hirotaka Hayashi
  • Patent number: 9741309
    Abstract: To suppress degradation of a transistor. A method for driving a liquid crystal display device has a first period and a second period. In the first period, a first transistor and a second transistor are alternately turned on and off repeatedly, and a third transistor and a fourth transistor are turned off. In the second period, the first transistor and the second transistor are turned off, and the third transistor and the fourth transistor are alternately turned on and off repeatedly. Accordingly, the time during which the transistor is on can be reduced, so that degradation of characteristics of the transistor can be suppressed.
    Type: Grant
    Filed: January 6, 2010
    Date of Patent: August 22, 2017
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hajime Kimura, Atsushi Umezaki
  • Patent number: 9728558
    Abstract: An array substrate, a manufacturing method thereof and a display device are provided; in the array substrate, two adjacent rows of the pixel units (200) are taken as a group of pixel unit rows; in each group of the pixel unit rows, since the pixel electrodes in two adjacent pixel units (200) of a same column are all electrically connected with one composite transistor (300), and the composite transistor (300) can be turned on or off under the control of different levels of control voltages, to charge the pixel electrodes in two adjacent pixel units (200) of the same column at different times, each group of the pixel unit row can share a gate line located between the two rows of the pixel units, as compared with the conventional array substrate, the number of the gate lines disposed on the array substrate is reduced by half, so that the aperture ratio of the array substrate can be improved, and the brightness of the display panel can be further improved.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: August 8, 2017
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventor: Qiyu Shen
  • Patent number: 9697785
    Abstract: Provided is a display device capable of improving image quality. The display device includes a display panel, a gate driver, a data driver and a gamma reference voltage generator. In the display panel, gate lines and data lines cross each other to define a plurality of liquid crystal cells. The gate driver supplies a scan signal to the gate lines sequentially. The data diver supplies a data voltage to the data lines. The gamma reference voltage generator selectively supplies a gamma reference voltage or a reference voltage of black gradation to the data driver in each horizontal period, according to a selection control signal input from the timing controller.
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: July 4, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jin Cheol Hong, Hyun Taek Nam, Jong Woo Kim
  • Patent number: 9697787
    Abstract: A display device is provided. The display device includes a display panel, a gate driver, and a data driver. The display panel includes a plurality of pixels connected to a plurality of gate lines for receiving gate signals, a plurality of data lines for receiving data voltages, and a storage line for receiving a storage voltage. The gate driver is configured to generate the gate signals. The data driver is configured to operate individually in first and second frequency periods to generate the data voltages. The data voltages include a positive data voltage and a negative data voltage, and polarities of the data voltages are inverted every two data lines during the first frequency period and inverted every data line during the second frequency period.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: July 4, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Suhyeong Park, Jimyoung Seo, KyoungWon Lee
  • Patent number: 9685138
    Abstract: A brightness controlling method for an all-in-one computer is provided. The all-in-one computer includes an on-screen display adjusting unit having a first brightness value, an operating system having a first system brightness value, a control unit and a scaler. The brightness controlling method includes the following steps. First, the first brightness value is adjusted to a second brightness value or the first system brightness value is adjusted to a second system brightness value. Then, when the first brightness value is adjusted to the second brightness value, the control unit synchronizes the first system brightness value to the second brightness value; when the first system brightness value is adjusted to the second system brightness value, the scaler adjusts the first brightness value to the second system brightness value. The invention also provides an all-in-one computer implementing the brightness controlling method.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: June 20, 2017
    Assignee: Pegatron Corporation
    Inventors: Ke-Ming Chen, Chien-Hua Huang
  • Patent number: 9653032
    Abstract: A liquid crystal (LC) pixel circuit of a LC display panel includes a first, a second, a third and a fourth switches, a LC capacitor and a storage capacitor. A first and a control terminals of the first switch respectively receive a common voltage and a first gate signal. A first and a control terminals of the second switch respectively receive a data voltage and a second gate signal. The storage capacitor and the LC capacitor electrically connect between second terminals of the first and second switches. A first and a control terminals of the third switch respectively receive the common voltage and a third gate signal. A first and a control terminals of the fourth switch respectively receive a set voltage and a fourth gate signal. Second terminals of the third and the fourth switches respectively connect to the second terminals of the second and the first switches.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: May 16, 2017
    Assignee: Au Optronics Corporation
    Inventors: Chih-Lung Lin, Chia-En Wu, Mao-Hsun Cheng, Bo-Shiang Tzeng, Ching-Huan Lin
  • Patent number: 9646555
    Abstract: A display device includes: a display panel including gate lines, a data lines crossing the gate lines, and pixels connected to the data lines and the gate lines; a data driver configured to drive the data lines; a gate driver configured to drive the gate lines in synchronization with a vertical sync start signal; and a timing controller configured to control the data driver and the gate driver in response to an image signal and a control signal inputted thereto from an outside, where the timing controller outputs the vertical sync start signal to the gate driver, and changes a frequency of the vertical sync start signal when an image signal of a current frame is identical to an image signal shifted from an image signal of a previous frame in a first direction.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: May 9, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun-Ho Hwang, Heebum Park, Kihyun Pyun
  • Patent number: 9625768
    Abstract: The present disclosure discloses a pixel structure, a display panel and a display device, wherein the pixel structure includes a first electrode and a second electrode located above the first electrode, at least one of the first electrode and the end electrode is provided with a concave structure in the region at the intersection between the first electrode and the end electrode, so as to increase the distance between the first electrode and the end electrode at the intersection, resulting in that the undesired electric field formed between the end electrode and the first electrode is weakened, namely, the electric field unbeneficial for the pixels to display the white state is weakened, so that the light transmittance of pixels during displaying the white state in an FFS display mode is improved, so as to optimize the display effects of the display panel and the display device.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: April 18, 2017
    Assignees: SHANGHAI AVIC OPTOELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Kerui Xi, Jianxin Li
  • Patent number: 9620072
    Abstract: A method, system, and computer program product for reducing power consumption in a display area of an electronic device is provided. The method includes selecting a first window within the display area to be highlighted using a first input command of a user; locating the first window in the display area; and reducing power to at least portions of the display area not corresponding to the first window.
    Type: Grant
    Filed: January 15, 2009
    Date of Patent: April 11, 2017
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Idan Ben-Harrush, Rafael E. Diaz, Nicholas Duane Fifer, Itzhack Goldberg, Dan Ramon, Amir Sasson
  • Patent number: 9607566
    Abstract: A liquid crystal display apparatus includes a liquid crystal display panel having gate lines and source lines, a GIP circuit which drives the gate lines and a source driver IC3 which drives the source lines. The source driver IC3 includes a gate control signal generator which generates gate control signals SOUT1-SOUTn which control the GIP circuit. The gate control signal generator is configured so that it is possible to control the waveforms of the gate control signals SOUT1-SOUTn in software.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: March 28, 2017
    Assignee: SYNAPTICS JAPAN GK
    Inventors: Satoshi Saito, Kota Kitamura, Hajime Tanabe
  • Patent number: 9607561
    Abstract: An image determination part configured to determine whether or not an image based on an input image signal is an image analogous to a polarity reversal pattern in a reversal driving scheme employed by default and to output a determination result, and a reversal pattern decision part configured to decide a reversal driving scheme based on the determination result are provided as constituent elements anterior to a liquid crystal drive unit. With regard to each unit area where the determination by the image determination part is made, the reversal pattern decision part decides the reversal driving scheme in the unit area, as a reversal driving scheme different from the reversal driving scheme employed by default, when the determination result indicates that the image based on the input image signal is the image analogous to the polarity reversal pattern in the reversal driving scheme employed by default.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: March 28, 2017
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Ken Inada, Taketoshi Nakano, Asahi Yamato, Akizumi Fujioka
  • Patent number: 9599845
    Abstract: A liquid crystal display includes a plurality of pixel electrodes and common electrodes disposed on a first substrate that overlap each other with a passivation layer interposed therebetween, and a connection portion disposed between a common voltage applying unit and the common electrode. The common electrode has a plurality of first cutouts, the passivation layer has a plurality of second cutouts, and the first cutout and the second cutout have substantially the same planar shape. The connection portion includes a lower connection portion formed from a same layer as the common electrode, and an upper connection portion disposed on the lower connection portion that includes a low resistance metal.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: March 21, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung Man Kim, Duk-Sung Kim, Man Hong Na, Jun Ho Song, Young Je Cho
  • Patent number: 9594279
    Abstract: Provided is a liquid crystal display, including: a first substrate; a pixel electrode disposed on the first substrate; a second substrate facing the first substrate; a common electrode disposed on the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate, the liquid crystal layer including a plurality of liquid crystal molecules, in which the common electrode includes a cross-shaped cutout, the cross-shaped cutout overlapping the pixel electrode and dividing the pixel electrode into a plurality of subregions, and the pixel electrode includes a direction controller extend in a direction parallel to a line connecting an intersecting point of the cross-shaped cutout and a pixel corner edge opposing the intersecting point.
    Type: Grant
    Filed: February 24, 2014
    Date of Patent: March 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyung Guen Yoon, Sung-Jae Yun, Oh Jeong Kwon, Jae Hong Park, Jin Won Kim, Kyung Hae Park, Dong-Chul Shin
  • Patent number: 9583739
    Abstract: In a light-emitting device where reflective electrodes are regularly arranged, occurrence of interference fringes due to reflection of light reflected by the reflective electrode is inhibited. A surface of the reflective electrode of a light-emitting element is provided with a plurality of depressions. The shapes of the plurality of depressions are different from each other and do not have rotational symmetry. Irregularity of the surface shape of the reflective electrode is increased, which inhibits interference of light reflected by the reflective electrode. To form the plurality of depressions in the surface of the reflective electrode, for example, a surface of an insulating layer that is a base of the reflective electrode is made uneven. Reflecting the surface shape of the insulating layer, the reflective electrode has an uneven surface.
    Type: Grant
    Filed: April 14, 2014
    Date of Patent: February 28, 2017
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Yoshiharu Hirakata, Mika Jikumaru, Yusuke Kubota, Daisuke Kubota, Tetsuji Ishitani, Hideaki Shishido
  • Patent number: 9530380
    Abstract: A display device configured to consume less power is disclosed. In one aspect, the display device includes a display panel comprising a pixel connected to a gate line and a data line, a data driver connected to the data line to apply a data voltage, and a gate driver connected to the gate line to sequentially apply a gate-on voltage. The display device additionally includes a signal controller configured to determine image data as corresponding to one of a motion picture, a still image, and a text screen. Furthermore, the signal controller is configured to drive the display panel, the data driver, and the gate driver at one of a motion picture frequency for displaying the motion picture, a still image frequency lower than the motion picture frequency for displaying the still image, and an ultra-low frequency of about 10 Hz or less for displaying the text screen.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: December 27, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae-Gwang Jang, Hyun Sik Hwang, Gi Geun Kim
  • Patent number: 9530376
    Abstract: The present disclosure relates to a driving device and a driving method of a liquid crystal display device and a liquid crystal display device. The liquid crystal display device comprises a display panel. The driving method comprising following steps of: displaying a current image by driving the display panel in a current reverse driving mode; detecting a variation value of a common voltage of the display panel during a prescribed period of time, and determining whether the variation value of the common voltage is greater than a prescribed threshold voltage variation; and in case that the variation value of the common voltage is greater than the prescribed threshold voltage variation, determining an occurrence of an image flickering and changing the current reverse driving mode. According to the present disclosure, the flickering of the liquid crystal display device can be reduced.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: December 27, 2016
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Chunbing Zhang, Bin Zhang, Shuai Hou, Yiqiang Lai, Liang Zhang
  • Patent number: 9515117
    Abstract: The performance of a solid state image sensor which is formed by performing divided exposure that exposes the entire chip by a plurality of times of exposure and in which each of a plurality of pixels arranged in a pixel array portion has a plurality of photodiodes is improved. In the divided exposure performed when the solid state image sensor is manufactured, a dividing line that divides an exposure region is defined to be located between a first photodiode and a second photodiode aligned in a first direction in an active region in a pixel and is defined to be along a second direction perpendicular to the first direction.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: December 6, 2016
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventor: Masatoshi Kimura
  • Patent number: 9436049
    Abstract: The present disclosure relates to reducing bezel area of a flat display panel comprising a substrate with a non-display area surrounding a display area, the display area comprising common lines coupled to corresponding rows of pixels; and a gate driver formed in the non-display area. The display may further include a conductive sealing region formed in the non-display area and configured to supply a common line voltage; and a plurality of common pads formed within the conductive sealing region and each coupled to a corresponding one of the common lines to apply a common line voltage to the rows of pixels. Alternatively, the display may further include a vertical common line formed in the non-display area between the gate driver and the display area, the vertical common line extending from top to bottom of the non-display area and coupled to said common lines to apply a common voltage.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: September 6, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Seungho Heo, Byeongseong So
  • Patent number: 9429794
    Abstract: A pixel unit includes an active area pixel electrode and a passive area pixel electrode disposed in the same layer; a thin film transistor switch electrically connected to the active area pixel electrode; and a coupling electrode disposed in a different layer from the active area pixel electrode and electrically connected to the active area pixel electrode, wherein the coupling electrode and the passive area pixel electrode are arranged to be at least partly overlapped with each other to form a coupling capacitance. The present invention also discloses an array substrate comprising the pixel unit and a liquid crystal display comprising the array substrate.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: August 30, 2016
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Ying Shen, Zhizhong Tu, Rongge Sun
  • Patent number: 9430971
    Abstract: An electro-optical unit includes pixels provided correspondingly to portions where a plurality of pairs of data lines and a plurality of gate lines intersect with each other. Each of the pixels has an electro-optical device and a pixel circuit. The pixel circuit has a holding circuit connected with one of the plurality of pairs of data lines and one of the plurality of gate lines, and a selection circuit connected with an output of the holding circuit and the electro-optical device. The holding circuit is capable of sampling and holding a first image signal to be applied to one of the pair of the data lines, while sampling and holding a second image signal to be applied to the other of the pair of the data lines. The selection circuit is capable of outputting the first image signal and the second image signal to the electro-optical device selectively.
    Type: Grant
    Filed: September 7, 2012
    Date of Patent: August 30, 2016
    Assignee: SONY CORPORATION
    Inventors: Kouzi Tsukamoto, Kazuhiro Takeda, Takamitsu Urakawa, Naoki Andou, Kazutoshi Ono
  • Patent number: 9423661
    Abstract: A liquid crystal display includes: a bottom chassis, a backlight assembly received in the bottom chassis, a liquid crystal display panel including a thin film transistor substrate and a counter substrate disposed opposite the thin film transistor substrate, with the liquid crystal display panel being disposed so that the counter substrate faces the backlight assembly. The liquid crystal display further includes a mold structure disposed between the bottom chassis and the liquid crystal display panel, and configured to fasten the liquid crystal display panel to the bottom chassis, a driving connection line connected to the thin film transistor substrate and a shield case configured to cover the driving connection line to protect the driving connection line, and including a lateral side disposed corresponding to an edge of the liquid crystal display panel or disposed inside the edge of the liquid crystal panel.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: August 23, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae-Hwan Jeon, Kee Byem Kim, Sang Hwan Lee, Jae Hun Chung, Ki Seok Cha, Ho Kyoon Kwon, Yun Soo Kim, Dae Ho Song, Young Dae Song, Sang A An
  • Patent number: 9418580
    Abstract: A display apparatus includes a gate line, a first data line which receives a first data signal, a second data line which receives a second data signal having a gray scale lower than a gray scale of the first data signal and a polarity opposite to the first data signal, a short gate line which receives a short gate signal, and a plurality of pixels, each pixel including a first sub-pixel which displays a first image corresponding to the first data signal, a second sub-pixel which displays a second image corresponding to the second data signal, and a switching device which electrically connects the first sub-pixel and the second sub-pixel in response to the short gate signal. A pixel alternately displays a display image and a black image in a unit of at least one frame.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: August 16, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Su Jeong Kim, Heeseop Kim, Kichul Shin
  • Patent number: 9405162
    Abstract: An active matrix display device is equipped with: a first auxiliary wiring line (700) that intersects a second common wiring line (230) through an insulation film, and that intersects with any of a plurality of first connecting wiring lines (900) through an insulating film; and a second auxiliary wiring line (710) that intersects, across an insulation film, any of a plurality of redundant portions (101), which are the other end portions of each of a plurality source wiring lines (100) and are located outside of a display region (60), and that, in a plan view, is positioned outside of a plurality of second lead-out wiring lines (250) and a first driver circuit, and is capable of being connected electrically to the second common wiring line (230).
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: August 2, 2016
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Isao Ogasawara, Masahiro Yoshida
  • Patent number: 9378668
    Abstract: A pixel, a display device including the same, and a driving method thereof. After the anode voltage of an organic light emitting diode (OLED) is discharged and reset, a first voltage corresponding to a data voltage applied to a storage capacitor is transmitted to a compensation capacitor. A voltage corresponding to the threshold voltage of the driving transistor is transmitted to the compensation capacitor. The data voltage is stored according to a data signal corresponding to the storage capacitor. The organic light emitting diode (OLED) emits light according to a driving current flowing to the driving transistor by the voltage stored to the compensation capacitor. Here, the light emitting steps of a plurality of pixels are concurrently generated, and a scan step and the light emitting step are temporally overlapped.
    Type: Grant
    Filed: February 16, 2012
    Date of Patent: June 28, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sang-Myeon Han