Grouped Electrodes (e.g., Matrix Partitioned Into Sections) Patents (Class 345/103)
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Patent number: 12039917Abstract: A display includes pixels distributed in a pixel array of rows and columns that are grouped in mutually exclusive pixel clusters on a display substrate in a display area. Cluster controllers are disposed on the display substrate and are each connected to the pixels in a pixel cluster to control the pixels to emit light. A display controller external to the display area is connected to each row of pixels in each pixel cluster with a row wire. Each row of pixels in each pixel cluster can be connected with a cluster row wire and the corresponding cluster row wires of each pixel cluster can be connected together. The cluster controllers can be disposed between pixels in the pixel cluster or between adjacent pixel clusters on the display substrate.Type: GrantFiled: December 2, 2022Date of Patent: July 16, 2024Assignee: X Display Company Technology LimitedInventors: Christopher Andrew Bower, Matthew Alexander Meitl, Imre Knausz, Murat Ozbas, Ronald S. Cok, Mike C. Chiu
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Patent number: 12020626Abstract: A display apparatus includes a panel driver; a display panel including a plurality of pixels connected to a plurality of gate lines and a plurality of data lines through a plurality of switching elements; and a processor configured to control the panel driver to output a gate signal through the plurality of gate lines, and display an image in the display panel by controlling the panel driver to apply, through the plurality of data lines, data voltage to pixels, from among the plurality of pixels, connected with switching elements, from among the plurality of switching elements, to which the gate signal is output, wherein the processor is further configured to control, based on a user input for selecting a ratio of the image, the panel driver to output the gate signal to at least one first gate line connected with a first subset of pixels, from among the plurality of pixels, for displaying the image according to the user input.Type: GrantFiled: April 26, 2023Date of Patent: June 25, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sungjin Lim, Minhong Park, Jihye Kim, Kyeongjin Lee, Dongki Lee, Youngho Jung
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Patent number: 11997859Abstract: An object of the invention is to improve the reliability of a light-emitting device. Another object of the invention is to provide flexibility to a light-emitting device having a thin film transistor using an oxide semiconductor film. A light-emitting device has, over one flexible substrate, a driving circuit portion including a thin film transistor for a driving circuit and a pixel portion including a thin film transistor for a pixel. The thin film transistor for a driving circuit and the thin film transistor for a pixel are inverted staggered thin film transistors including an oxide semiconductor layer which is in contact with a part of an oxide insulating layer.Type: GrantFiled: September 9, 2022Date of Patent: May 28, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shingo Eguchi, Yoshiaki Oikawa, Kenichi Okazaki, Hotaka Maruyama
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Patent number: 11875748Abstract: Provided are a gate driving circuit, a display substrate, a display device and a gate driving method, the gate driving circuit includes: a frequency doubling control circuit and an effective output circuit including first shift registers, the first shift register at the first stage has a first signal input terminal coupled with an output control signal line and a second signal input terminal coupled with the frequency doubling control circuit; the frequency doubling control circuit is coupled to the output control signal line, for providing a frequency doubling control signal thereto after a preset time period from the receipt of the output control signal in response to an output control signal from the output control signal line; the first shift register at the first stage outputs a scanning signal in response to the output control signal and a scanning signal in response to the frequency doubling control signal.Type: GrantFiled: February 24, 2021Date of Patent: January 16, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guangliang Shang, Tian Dong, Xinshe Yin, Mei Li, Libin Liu, Shiming Shi
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Patent number: 11871159Abstract: A display unit of the present disclosure includes: a light source section that outputs light; a light uniformization section including at least one uniformization optical member and having a light entrance surface through which the light outputted from the light source section enters and a light output surface through which light is outputted; a condenser lens for the light outputted from the light uniformization section to enter; and a reflective light valve to be illuminated by light outputted from the condenser lens. A light condensing position for return light that is reflected by the light valve and returns to the light output surface of the light uniformization section via the condenser lens is configured to be located off a light condensing position of the light uniformization section on a light output surface side for the light outputted from the light source section.Type: GrantFiled: October 17, 2019Date of Patent: January 9, 2024Assignee: SONY CORPORATIONInventor: Kazumasa Kaneda
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Patent number: 11842690Abstract: Provided is a scan driver of a display device, and the scan driver includes a driving circuit and a masking circuit. The driving circuit includes a control circuit, a first output circuit, and a second output circuit. The control circuit outputs a first control signal and a second control signal. The first output circuit is connected to a first output terminal which outputs a first scan signal and a first voltage terminal and operates in response to a first control signal. The second output circuit is connected to a first output terminal and a second voltage terminal and operates in response to a second control signal. The masking circuit outputs a second scan signal to a second output terminal in response to the first control signal and the second control signal and is connected to an input terminal to which a masking signal is supplied.Type: GrantFiled: August 4, 2022Date of Patent: December 12, 2023Assignee: Samsung Display Co., Ltd.Inventors: Taehoon Kim, Sangan Kwon, Soon-Dong Kim, Hui Nam, Bonghyun You, Changnoh Yoon, Jaekeun Lim
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Patent number: 11815772Abstract: A display device includes a gate line extended in a first direction and a data line extended in a second direction crossing the first direction; a first switching element including a first source electrode connected to the data line, a first drain electrode, and a first gate electrode connected to the gate line; and a second switching element including a second source electrode connected to the data line, a second drain electrode, and a second gate electrode connected to the gate line. A region of the first drain electrode overlapping the first gate electrode extends in the second direction, the second source electrode is extended in the second direction, and is parallel with the first and second drain electrodes. A region of the second drain electrode overlapping the second gate electrode includes a first region extended in the first direction and a second region extended in the second direction.Type: GrantFiled: December 10, 2020Date of Patent: November 14, 2023Assignee: Samsung Display Co., Ltd.Inventor: Do Yeong Park
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Patent number: 11803089Abstract: To achieve a display device that is suitable for increasing in size and to provide a high-resolution display device. In the display device, three or more adjacent gate lines are supplied with the same selection signal. Three or more pixels that adjoin in the column direction are connected to different source lines. In each of the pixels, a transistor including a semiconductor layer is disposed. An inner source line among three or more source lines is disposed to overlap with a conductive layer that functions as a pixel electrode. Part of the semiconductor layer of the transistor is provided between the outer source line and a source line adjacent to the outer source line.Type: GrantFiled: June 4, 2021Date of Patent: October 31, 2023Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Kei Takahashi
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Patent number: 11783739Abstract: Embodiments disclosed herein provide systems and methods for testing and repairing various aspects of an electronic display. The electronic display includes a reference array and an active array. The electronic display also includes test circuitry used to test individual or any combination of pixels of the electronic display. Switches may be disposed between the pixels and the test circuitry to be to repair the various components of the electronic display.Type: GrantFiled: August 9, 2021Date of Patent: October 10, 2023Assignee: Apple Inc.Inventors: Hasan Akyol, Xuebei Yang, Chung-Lun Edwin Hsu, Henry C. Jen, John T. Wetherell
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Patent number: 11783794Abstract: A display panel is provided. The display panel includes a display area, a driver transistor array substrate, a plurality of scanning lines and a control electrode driver chip. The driver transistor array substrate and the plurality of scanning lines are located on the display area; each of the scanning lines is connected to at least one driver transistor; the control electrode driver chip is connected to the scanning lines through output ports; the display area is divided into a first display area and a second display area according to one diagonal line of the driver transistor array substrate; the control electrode driver chip includes a plurality of amplifying circuits, each output port of the control electrode driver chip is for controlling at least one scanning line, and each output port with the number of controlled pixel greater than a first preset value is connected to the scanning line through one amplifying circuit.Type: GrantFiled: December 3, 2018Date of Patent: October 10, 2023Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTDInventors: Wenxin Li, Xiaoyu Huang
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Patent number: 11700754Abstract: A display device includes a substrate having a display area and a non-display area, a plurality of pixels in the display area, scan lines for supplying a scan signal to the pixels, the scan lines extending in a first direction, data lines for supplying a data signal to the pixels, the data lines extending in a second direction crossing the first direction, and a first dummy part in the non-display area, adjacent to an outermost pixel, connected to an outermost data line of the display area, forming a parasitic capacitor with the outermost pixel, and including a first dummy data line and a first dummy power pattern extending in parallel to the data lines.Type: GrantFiled: September 4, 2020Date of Patent: July 11, 2023Assignee: Samsung Display Co., Ltd.Inventors: Yang Wan Kim, Ji Hyun Ka, Tae Hoon Kwon, Byung Sun Kim, Hyung Jun Park, Su Jin Lee, Jae Yong Lee, Jin Tae Jeong, Seung Ji Cha
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Patent number: 11694613Abstract: A display having an area of non-transparent pixels, an area of transparent pixels, a camera positioned behind the transparent pixels to capture an image when light passes through the transparent pixels, and a display controller for driving the non-transparent pixels at a first brightness and driving the transparent pixels at a second brightness greater than the first brightness during image capture by the camera.Type: GrantFiled: July 25, 2019Date of Patent: July 4, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Hsing-Hung Hsieh, Kuan-Ting Wu, Dehuei Chen
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Patent number: 11688323Abstract: A pixel array is provided. The pixel array includes a plurality of pixel units. Each pixel unit correspondingly includes a plurality of sub-pixels having a plurality of color types, and the sub-pixels having the color types include at least one blue sub-pixel. In the pixel array, a proportion of the at least one blue sub-pixel is larger than a proportion correspondingly of at least one sub-pixel of the sub-pixels correspondingly having each color type of other color types of the color types.Type: GrantFiled: October 16, 2019Date of Patent: June 27, 2023Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yuecu Lin
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Patent number: 11660860Abstract: A liquid jet head and so on capable of reducing both of a manufacturing cost and power consumption are provided. The liquid jet head according to an embodiment of the present disclosure is provided with a jet section and at least one drive board. The drive board is provided with a first input terminal and a second input terminal, a plurality of drive devices, a plurality of transmission lines, and a plurality of terminal resistors. The drive devices each have a first input/output section and a second input/output section. The plurality of drive devices include a first drive device and a second drive device. The plurality of transmission lines include a first transmission line, a second transmission line, and at least one third transmission line. The plurality of termination resistors include a first termination resistor, a second termination resistor, and a third termination resistor.Type: GrantFiled: September 17, 2021Date of Patent: May 30, 2023Assignee: SII PRINTEK INC.Inventor: Kensuke Yoshida
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Patent number: 11532277Abstract: A display panel includes a second display region and a first display region which are arranged side by side in a direction in which data signal lines extend, and a source driver is provided at one edge of the second display region. Switches are provided between data signal lines in the first display region and data signal lines in the second display region, and the switches are turned off when an on-level scanning signal is applied to a scanning signal line in the second display region. A period during which the on-level scanning signal is applied to each scanning signal line in the second display region is shorter than a period during which the on-level scanning signal is applied to each scanning signal line in the first display region.Type: GrantFiled: March 26, 2019Date of Patent: December 20, 2022Assignee: SHARP KABUSHIKI KAISHAInventors: Masaaki Nishio, Yousuke Nakamura, Hongbing Weng
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Patent number: 11508651Abstract: A chip-on-film package includes a base film having a top surface and a bottom surface, and a circuit region; a source driver chip and a gate driver chip mounted on the circuit region; a first conductive line on the top surface of the base film, a second conductive line on the bottom surface of the base film, and a conductive via that connects the first and second conductive lines to each other; a first row of bonding pads on the circuit region and connected to the source driver chip; a second row of bonding pads on the circuit region and connected to the source driver chip and the gate driver chip; and a test pad outside the circuit region and connected to the first and second conductive lines and the conductive via.Type: GrantFiled: May 14, 2020Date of Patent: November 22, 2022Inventors: Jungeun Koo, Yechung Chung
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Patent number: 11501682Abstract: A flexible display apparatus includes a first body portion, a second body portion and a driving controller. The first body portion includes a first display area, and the second body portion includes a second display area. The second display area is connected to the first display area. The driving controller is configured to determine a first driving frequency of the first display area and a second driving frequency of the second display area based on a folded angle between the first body portion and the second body portion along a folded line disposed between the first body portion and the second body portion.Type: GrantFiled: May 14, 2021Date of Patent: November 15, 2022Inventors: Eun Sil Yun, Sangan Kwon, Soon-Dong Kim, Taehoon Kim, Changnoh Yoon
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Patent number: 11423843Abstract: Provided is a scan driver of a display device, and the scan driver includes a driving circuit and a masking circuit. The driving circuit includes a control circuit, a first output circuit, and a second output circuit. The control circuit outputs a first control signal and a second control signal. The first output circuit is connected to a first output terminal which outputs a first scan signal and a first voltage terminal and operates in response to a first control signal. The second output circuit is connected to a first output terminal and a second voltage terminal and operates in response to a second control signal. The masking circuit outputs a second scan signal to a second output terminal in response to the first control signal and the second control signal and is connected to an input terminal to which a masking signal is supplied.Type: GrantFiled: June 9, 2021Date of Patent: August 23, 2022Inventors: Taehoon Kim, Sangan Kwon, Soon-Dong Kim, Hui Nam, Bonghyun You, Changnoh Yoon, Jaekeun Lim
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Patent number: 11270617Abstract: A driving circuit for a display panel is disclosed, where the display panel comprises data lines. The driving circuit for the display panel includes a share line coupled to the data lines; a power supply circuit connected to the share line, and configured to provide a share voltage to the share line; and switch units coupled to the data lines, where each of the switch units has a first end coupled to the share line and a second end coupled to a corresponding one of the data lines, and the switch units are configured to, in a share phase, connect the data lines and transmit the share voltage on the share line to the data lines in response to a control signal. The display panel drive circuit can reduce the power consumption of a source drive circuit of the display panel.Type: GrantFiled: March 23, 2020Date of Patent: March 8, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xinshe Yin, Tian Dong
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Patent number: 11238804Abstract: A driving method and a driving device (100) for a display device (200). The display device (200) comprises a pixel array consisting of several rows of sub-pixels, and each row of sub-pixels is correspondingly connected to a scan line. The driving method comprises: partitioning each row of sub-pixels into different areas, and taking the areas of the each row of sub-pixels as the charging start point positions of the scan line corresponding to the each row of sub-pixels (S101); and inputting scanning voltage signals to the different areas of a row of sub-pixels corresponding to each scan line through the charging start point positions of the each scan line to perform partition scanning for the each row of sub-pixels (S102).Type: GrantFiled: December 14, 2017Date of Patent: February 1, 2022Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.Inventor: Mancheng Zhou
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Patent number: 11227524Abstract: A shift register unit and a driving method thereof, a gate driving circuit and a driving method thereof, and a display device are provided to improve a stability of the shift register unit. The shift register unit includes a first input circuit, a second input circuit, an output circuit, a first pull-down circuit, and a second pull-down circuit and further includes: a first pull-down control circuit configured to control a level of the first pull-down node; a second pull-down control circuit configured to output a voltage of the third voltage terminal to the first pull-down node under the control of the fifth voltage terminal; a third pull-down control circuit configured to control a level of the second pull-down node; and a fourth pull-down control circuit configured to output the voltage of the third voltage terminal to the second pull-down node under the control of the fourth voltage terminal.Type: GrantFiled: July 17, 2018Date of Patent: January 18, 2022Assignees: BEIJING OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lei Mi, Yanna Xue, Zhiying Bao, Yong Zhang, Lu Bai, Gang Hua, Jingpeng Wang, Haobo Fang
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Patent number: 11189234Abstract: Provided are a display device and a driving method thereof. The display device includes: a display panel for displaying an image, based on data signals supplied from data lines; a load controller for determining a scale factor for controlling a target luminance of the image displayed in the display panel, based on a load of first image data input from the outside; and a data driver for outputting data signals to the data lines, corresponding to the first image data corrected using the scale factor. The data driver includes a plurality of data driver chips coupled to at least one data line among the data lines. The load controller determines the scale factor, based on at least one of a total load of the first image data and local loads with respect to the respective data driver chips.Type: GrantFiled: March 30, 2020Date of Patent: November 30, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ki Hyun Pyun, Sung In Kang, Kyun Ho Kim
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Patent number: 11069320Abstract: A chip-on-film and a display device. The chip-on-film includes a substrate, at least one chip on the substrate, input terminals on the substrate, and output terminals on the substrate. The input terminals are configured to receive printed-circuit-board signals. The output terminals include data signal output sub-terminals configured to output display panel data signals. The output terminals lack an output sub-terminal configured to output a display panel scanning signal.Type: GrantFiled: October 30, 2019Date of Patent: July 20, 2021Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yizhan Han, Ke Dai, Liugang Zhou
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Patent number: 11029571Abstract: A display panel including a pixel array substrate, an opposite substrate, and a display media is provided. The pixel array substrate includes a substrate, a plurality of scan lines, a plurality of data lines, a plurality of pixel units, and a gate driving circuit. The gate driving circuit including a plurality of first signal lines, a plurality of second signal lines, a plurality of dummy signal lines, and a plurality of contact structures is disposed in a peripheral region of the substrate. Each of the second signal lines is electrically connected to one corresponding first signal line. Each of the dummy signal lines is electrically connected to one corresponding second signal line via one corresponding contact structure. Each of the first signal lines is electrically connected to the corresponding second signal line via one corresponding contact structure.Type: GrantFiled: March 27, 2019Date of Patent: June 8, 2021Assignee: Au Optronics CorporationInventors: Cheng-Hung Ko, Yi-Fu Chen, Yu-Sen Chang, Chia-Heng Chen, Hsiao-Chun Chen, You-Ying Lin, Cheng-An Hsieh
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Patent number: 10971556Abstract: An organic light-emitting display panel includes: pixel rows arranged sequentially along a first direction and high voltage signal lines extending along the first direction. Each pixel row includes pixel sets arranged along a second direction which intersects the first direction. Each pixel set includes first and second pixels arranged along the second direction. The first pixel includes first to third sub-pixels emitting different colors. The second pixel includes fourth to sixth sub-pixels emitting different colors. Each sub-pixel includes a pixel driving circuit and an organic light-emitting diode. The high voltage signal lines are electrically connected to the sub-pixels, so as to provide voltage signals to anodes of the organic light-emitting diodes for driving the sub-pixels to emit light. For the same pixel set, the third and fourth sub-pixels have the same color, and are electrically connected to the same third high voltage signal line.Type: GrantFiled: March 27, 2020Date of Patent: April 6, 2021Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.Inventors: Yueting Fang, Yue Li, Huiping Chai, Lijing Han
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Patent number: 10936113Abstract: The present disclosure relates to the field of display technology and, in particular, to an input control circuit and an input control circuit method; an input control device; and a display panel. The input control circuit includes an input module configured to transmit an input signal to the pull up node in response to the input signal; an output module configured to transmit a clock signal to the signal output terminal in response to a voltage signal at the pull up node; a driving module configured to transmit a common signal to the common electrode block in response to the voltage signal at the pull up node; a reset module configured to transmit a power signal to the pull up node in response to a reset signal; and a bootstrap capacitor connected between the pull up node and the signal output terminal.Type: GrantFiled: July 1, 2019Date of Patent: March 2, 2021Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Feng Li, Yu Ma, Qi Sang, Jing Wang
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Patent number: 10930205Abstract: A novel display system and a moving object are provided. The display system includes a display panel and a display driver. The display panel has a curved shape. The display panel includes a first display region and a second display region on the curved surface. The display driver generates first analog data by a first clock signal and first digital data and generates second analog data by a second clock signal and second digital data. An image can be displayed in accordance with the curved shape of the display panel by transmitting the first analog data to the first display region and transmitting the second analog data to the second display region.Type: GrantFiled: May 17, 2017Date of Patent: February 23, 2021Inventor: Yoshiyuki Kurokawa
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Patent number: 10930226Abstract: A liquid crystal display device is manufactured at a low cost. In the liquid crystal display device, three sub-pixel electrodes are connected by inter-electrode connection portions to form one pixel electrode. One TFT is connected to the pixel electrode. A screen of a liquid crystal display panel is divided into n (n?2) of areas. Gate signal lines G of each divided area are scanned simultaneously one line at a time in each divided area. A backlight device emits light after completion of the scanning of each divided area.Type: GrantFiled: April 17, 2018Date of Patent: February 23, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Hidefumi Yoshida, Kazutaka Hanaoka, Takahiro Sasaki, Kimiaki Nakamura
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Patent number: 10902804Abstract: A display device that is suitable for increasing in size is achieved. Three or more source lines are provided for each pixel column. Video signals having the same polarity are input to adjacent source lines during one frame period. Dot inversion driving is used to reduce a flicker, crosstalk, or the like.Type: GrantFiled: December 19, 2019Date of Patent: January 26, 2021Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Hajime Kimura
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Patent number: 10861397Abstract: An OLED display device includes a display panel including first and second partial panel regions, a scan driver configured to sequentially apply scan signals to the first and second partial panel regions in a normal driving mode, and to sequentially apply the scan signals to a driven one of the first and second partial panel regions in a partial driving mode, and a data driver configured to apply data signals to the first and second partial panel regions in the normal driving mode, and to apply the data signals to the driven one of the first and second partial panel regions in the partial driving mode. In the partial driving mode, the scan driver is configured to sequentially apply diode initialization signals to the driven one of the first and second partial panel regions, and to concurrently apply the diode initialization signals to a non-driven one of the first and second partial panel regions.Type: GrantFiled: December 17, 2019Date of Patent: December 8, 2020Assignee: Samsung Display Co., Ltd.Inventors: Jae-Hyeon Jeon, Jihye Kim
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Patent number: 10852025Abstract: An HVAC controller including a controller and a display operatively coupled to the controller. The display may include a first region and a second region. The first region of the display may have an array of pixels arranged in a plurality of rows and a plurality of columns for displaying an image in a dot matrix format. The second region of the display may have a plurality of predefined fixed segment graphical icons. The controller may be configured to display one or more programmable options of the HVAC controller in the first region of the display for selection by a user, where the programmable options may be used to set settings that are capable of controlling subsequent operations and/or functionality of the HVAC controller. The controller may be configured to selectively animate one or more of the programmable options displayed in the first region.Type: GrantFiled: April 30, 2014Date of Patent: December 1, 2020Assignee: Ademco Inc.Inventors: Cary Leen, Jan Tesitel, Jan Pospisil, Jan Vozenilek, Petr Racansky, Michael Bruce, Reed Bisson
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Patent number: 10739613Abstract: A display system is provided that combines the use of a display element with a beamsplitter and at least one retroreflector to provide an image (2D or 3D depending upon the output image from the display element) that appears to be floating in space some distance from the beamsplitter. For example, light that is bounced off/reflected and/or that is transmitted through the beamsplitter may be reflected from the reflective surface of the retroreflector toward the beamsplitter. The beamsplitter directs this light, through reflection or transmission, into a viewing space such that the 2D or 3D image can be viewed by a viewer as it appears to float a distance from the nearest surface of the beamsplitter and, typically, some distance above the ground/floor upon which viewers are walking. The floating image may be relatively bright so that it is viewable in low and brighter light conditions.Type: GrantFiled: May 15, 2018Date of Patent: August 11, 2020Assignee: Disney Enterprises, Inc.Inventors: Daniel M. Joseph, Lanny S. Smoot, Quinn Y. Smithwick, Michael J. Ilardi
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Patent number: 10656478Abstract: An array substrate and a manufacturing method thereof, and display panel are disclosed. The array substrate includes a substrate, a thin film transistor disposed on the substrate and a common electrode disposed on a side of the thin film transistor away from the substrate. The common electrode includes a first hollowed-out portion. An active layer of the thin film transistor includes a source electrode region, a drain electrode region and a channel region. An orthographic projection of the first hollowed-out portion on the substrate at least covers an orthographic projection of the channel region on the substrate.Type: GrantFiled: October 9, 2017Date of Patent: May 19, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Bingqiang Gui, Lianjie Qu, Yonglian Qi, Hebin Zhao, Yun Qiu
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Patent number: 10636351Abstract: A conformable matrix display device is provided with row conductors on the conformable carrier, each for a respective row of the matrix of pixel circuits. Each row conductor has serpentine trajectories in spaces between the pixel circuits in the respective row. Power supply voltage and selection pulse signals are transmitted over the same row conductors. Each row conductor is connected to supply voltage and selection inputs of the pixel circuits in the respective row. Each pixel circuit has a pulse transmission circuit coupled between the selection input and the control input of a de-multiplexing circuit for de-multiplexing data signals on column conductors. In this way the power supply voltage and the selection signal can be supplied making shared use of space between the pixel circuits. Thus the number of conductors in the matrix display device is reduced, which enables a greater distance between the conductors and/or bends in the conductors, which makes the circuit more stretchable and/or bendable.Type: GrantFiled: May 26, 2017Date of Patent: April 28, 2020Assignees: Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO, IMEC vzwInventors: Brian Hardy Cobb, Jan Genoe
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Patent number: 10451945Abstract: A display panel includes a first substrate and a second substrate. A thin film transistor is disposed on the first substrate. The display panel has a non-display area; the non-display area includes a first metal layer, a frequency signal line formed by a second metal layer and located on the first metal layer, a via (contact hole), and a conducting electrode electrically connecting the first and a second metal layers together. At least a part of the conducting electrode is located in the via. A photo spacer is located in the via, for separating the first substrate and the second substrate. The photo spacer completely covers the conducting electrode. The photo spacer is made of a dielectric material.Type: GrantFiled: January 11, 2016Date of Patent: October 22, 2019Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO. LTD.Inventor: Peng Du
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Patent number: 10453407Abstract: A display apparatus includes an image display region having pixels sectioned by scanning signal lines and video signal lines, scanning connecting lines, thin film transistors, selection signal lines connected to gate electrodes of the thin film transistors, plural ones of the thin film transistors connected to different ones of the scanning connecting lines being connected to one of the selection signal lines; and a scanning signal drive circuit. The scanning signal drive circuit performs a normal scanning mode in which pulse signals are supplied in turn to plural ones of the scanning connecting lines connected to the one of the selection signal lines, and in the normal scanning mode, a fall timing of the gate-on voltage differs from a fall timing of a last one of the pulse signals supplied to the plural ones of the scanning connecting lines during the selection period.Type: GrantFiled: July 31, 2018Date of Patent: October 22, 2019Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.Inventors: Yoshihisa Ooishi, Genshiro Kawachi, Kazuo Kita, Toshikazu Koudo, Hideyuki Nakanishi
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Patent number: 10453828Abstract: A display device includes a display panel having a first emission region, a second emission region, and a third emission region. The first emission region is surrounded by the second emission region and the second emission region is surrounded by the third emission region. The display panel includes a plurality of light emitters arranged in the first emission region, the second emission region, and the third emission region, respective light emitters of the plurality of light emitters configured to emit light. The first emission region has a first density of light emitters, the second emission region has a second density of light emitters that is less than the first density and the third emission region has a third density of light emitters that is less than the second density.Type: GrantFiled: June 12, 2018Date of Patent: October 22, 2019Assignee: Facebook Technologies, LLCInventors: Andrew John Ouderkirk, James Ronald Bonar, Jasmine Soria Sears
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Patent number: 10424603Abstract: A display panel having a notch extending inwardly from its edge and including a plurality of first signal lines having a first extending direction, a plurality of second signal lines having a second extending direction different from the first extension direction, a plurality of pixel units, and a plurality of transmission lines is provided. The pixel units are electrically connected to the first signal lines and the second signal lines. The transmission lines are electrically connected to the first signal lines. Part of the transmission lines includes a first sub-transmission line, a second sub-transmission line and a third sub-transmission line electrically connected to each other. The first sub-transmission line is disposed between the adjacent second signal lines. The second sub-transmission line is disposed between the adjacent first signal lines. The third sub-transmission line overlaps another transmission line in the second extending direction.Type: GrantFiled: June 15, 2018Date of Patent: September 24, 2019Assignee: Au Optronics CorporationInventors: Cheng-Chieh Lee, Chao-Chien Chiu
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Patent number: 10417987Abstract: A data driver and display panel are disclosed. The data driver is applicable to providing image data to be displayed to a plurality of data lines. The data driver includes: a data processing unit, a driving unit, and at least two sets of data outputs. The data processing unit is configured to receive and store one frame of image data to be displayed. The driving unit is to output at least two sets of data voltages having different driving capacities according to the image data. Each of the at least two sets of data outputs includes a plurality of data outputs, and each set is connected to pixels in two areas with a different distance from the data driver. The driving unit provides the at least two sets of data voltages having different driving capabilities to the at least two sets of data outputs.Type: GrantFiled: May 26, 2017Date of Patent: September 17, 2019Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventors: Zhenzhou Xing, Chun-hung Huang
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Patent number: 10388221Abstract: A method and system for driving a light emitting device display is provided. The system provides a timing schedule which increases accuracy in the display. The system may provide the timing schedule by which an operation cycle is implemented consecutively in a group of rows. The system may provide the timing schedule by which an aging factor is used for a plurality of frames.Type: GrantFiled: September 27, 2017Date of Patent: August 20, 2019Assignee: Ignis Innovation Inc.Inventors: Arokia Nathan, Gholamreza Chaji
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Patent number: 10373547Abstract: Embodiments of the disclosure provide a display substrate and a driving method thereof, as well as a display device. The display substrate comprises a plurality of select switch arrays and a plurality of selecting control circuits formed on the base substrate. Each select switch array comprises a plurality of select switches, a first terminal of each select switch being connected to a corresponding data line, a second end of each select switch being connected to a same data voltage input terminal, a control terminal of each select switch being connected to a same selecting control circuit. Each data line is connected with two columns of pixels, and the gate lines connected with the two columns of pixels are different. Each selecting control circuit is connected to a plurality of selecting control signal input terminals and a corresponding select switch array.Type: GrantFiled: February 16, 2016Date of Patent: August 6, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tuo Sun, Zhanjie Ma
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Patent number: 10354588Abstract: A driving method for a pixel circuit comprises steps of: receiving a data control signal inputted by a driving chip and resetting a data line of a pixel unit according to the data control signal; charging the pixel unit to a target voltage according to the data line control signal; and receiving a control signal to control the pixel unit to display a corresponding grayscale level according to the target voltage. Through above way, the present invention can prevent a wrong charging which will generate an abnormal picture display.Type: GrantFiled: November 16, 2016Date of Patent: July 16, 2019Assignee: Wuhan China Star Optoelectronics Technology Co., LtdInventor: Shijuan Yi
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Patent number: 10347197Abstract: To provide a liquid crystal display device which can perform image display in both modes: a reflective mode where external light is used as an illumination light source; and a transmissive mode where a backlight is used. In one pixel, a region where incident light through a liquid crystal layer is reflected to perform display (reflective region) and a region through which light from the backlight passes to perform display (transmissive region) are provided, and image display can be performed in both modes: the reflective mode where external light is used as an illumination light source; and the transmissive mode where the backlight is used as an illumination light source. In addition, two transistors connected to respective pixel electrode layers are provided in one pixel, and the two transistors are separately operated, whereby display of the reflective region and display of the transmissive region can be controlled independently.Type: GrantFiled: March 28, 2016Date of Patent: July 9, 2019Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Jun Koyama, Yoshiharu Hirakata
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Patent number: 10311811Abstract: The array substrate comprises a plurality of gate lines extending in a first direction, a plurality of data lines extending in a second direction crossing the first direction, and a plurality of pixel units arranged as an array. Each of the plurality of data lines is arranged between two columns of pixel units, the two columns of the pixel units extending in the second direction and being adjacent to each other in the first direction, and the data line is connected to pixel units at one side of said data line or to pixel units at the other side of said data line. Each of the plurality of data lines switches the direction of connection from one side to the other in an alternating manner with each two adjacent rows of pixel units, and the plurality of data lines have the same connection direction in each row of pixel units.Type: GrantFiled: January 26, 2016Date of Patent: June 4, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Xiaoyuan Wang, Wu Wang, Jaikwang Kim, Zhuo Xu, Yajie Bai
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Patent number: 10275089Abstract: A display device includes a deviation compensating circuit to receive a feedback touch driving signal from a sensor line connected to one of a plurality of touch sensor, receive a first feedback AC (alternating current) signal from a data line connected to one of a plurality of pixels, receive a second feedback AC signal from a gate line connected to the pixels, detect a phase deviation and an amplitude deviation between the feedback touch driving signal and the first and the second feedback AC signals, and generate a compensation touch driving signal, a first compensation AC signal, and a second compensation AC signal for compensating for the phase deviation and the amplitude deviation.Type: GrantFiled: December 28, 2015Date of Patent: April 30, 2019Assignee: LG DISPLAY CO., LTD.Inventors: Younggyu Kim, Byounggwan Lee, Yoonnara Jang
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Patent number: 10268307Abstract: A touch display panel, a method for driving the same and a touch display apparatus are provided. The touch display panel includes an array substrate and a cell alignment substrate arranged oppositely, a touch driving electrode, a first touch sensitive electrode and a second touch sensitive electrode. The first touch sensitive electrode is arranged on the cell alignment substrate, and the second touch sensitive electrode is arranged on the array substrate, the touch driving electrode is arranged between the first touch sensitive electrode and the second touch sensitive electrode. Mutual capacitances are generated between the touch driving electrode with each of the first touch sensitive electrode and the second touch sensitive electrode. The double-sided touch mode can be achieved according to the disclosure.Type: GrantFiled: July 9, 2015Date of Patent: April 23, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Weijie Zhao, Xue Dong, Haisheng Wang, Yingming Liu
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Patent number: 10241358Abstract: A liquid crystal grating and a manufacturing method and a driving method therefor, and a spliced screen including a liquid crystal grating are disclosed. The liquid crystal grating includes: a first substrate and a second substrate arranged opposite to the first substrate; and liquid crystal molecules filled between the first substrate and the second substrate. The first substrate, the second substrate and the liquid crystal molecules are provided to define at least one grating unit. Each of the grating units includes: a display region; a frame region surrounding the display region; a first frame electrode located on the first substrate and arranged corresponding to the frame region; and a second frame electrode located on the second substrate and arranged corresponding to the frame region.Type: GrantFiled: April 28, 2015Date of Patent: March 26, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Kazuyoshi Nagayama, Song Song
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Patent number: 10216244Abstract: Disclosed is an electronic device that may perform a procedure for activating a display simultaneously with a procedure for activating other components of the electronic device among procedures for driving the display, allowing for quick activation of the display after the display is released from the power saving mode. Methods utilizing the electronic device are also disclosed.Type: GrantFiled: September 6, 2016Date of Patent: February 26, 2019Assignee: Samsung Electronics Co., Ltd.Inventor: Jin-Young Jeon
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Patent number: 10210825Abstract: According to one embodiment, a display device, includes a first main pixel including first to third sub-pixels, a second main pixel including fourth to sixth sub-pixels, a display driver which produces video signals to be written to the respective sub-pixels of the first and second main pixels and supplies the video signals to the respective sub-pixels via signal lines, any one of the first to third sub-pixels and any one of the fourth to sixth sub-pixels sharing one of the signal lines.Type: GrantFiled: March 21, 2016Date of Patent: February 19, 2019Assignee: Japan Display Inc.Inventors: Masaya Tamaki, Tsutomu Harada, Hirotaka Hayashi
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Patent number: RE48340Abstract: The present disclosure provides a non-overlap data transmission method for a liquid crystal display (LCD). The non-overlap data transmission method includes obtaining an entire fame image data; dividing the entire frame image data into a plurality of image data segments and individually sending the image data segments to a plurality of display processing units at the same time, wherein each of the image data segments is sent to one of the display processing units and image data of each image data segment does not overlap with image data of the other image data segments; and mutually sending image data of the image data segments through the display processing units.Type: GrantFiled: May 23, 2018Date of Patent: December 1, 2020Assignee: NOVATEK Microelectronics Corp.Inventors: Chih-Yung Hsu, Kai-I Dai, Jie-Jung Huang