Patents Examined by Robert Stone
-
Patent number: 8994655Abstract: The prompt responsiveness and operability of pointer display and pointer control is ensured. A display control device has: a first information processing terminal drawing a pointer corresponding to each of input operation devices on a pointer screen on the basis of an operation quantity input from each of the input operation devices; a second information processing terminal drawing a working state of an application on an application screen in accordance with the input instruction information input from each of the input operation devices; and an image synthesis unit that creates a synthesized image by superimposing each of the two screens on the other and that outputs the image to a display device.Type: GrantFiled: March 22, 2011Date of Patent: March 31, 2015Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Munehiro Komeda, Takahiro Katoji, Toshiaki Otaka, Motofumi Naruto
-
Patent number: 8988391Abstract: An imaging device may have an imaging surface and a sensor. The imaging surface may be illuminated by a first source and reflect at least some of the illumination to the sensor to detect an image. The imaging device may have a predetermined width and an optical path passing therethrough. The imaging device may be illuminated by a second source, and the illumination of the second source may be directed to one or more predetermined regions on or near the imaging surface to produce an optical effect associated with the imaging surface.Type: GrantFiled: March 22, 2011Date of Patent: March 24, 2015Assignee: STMicroelectronics (Research & Development) LimitedInventor: Mathieu Reigneau
-
Patent number: 8982028Abstract: A display apparatus includes a first substrate, a second substrate, a liquid crystal layer, and a common electrode. The first substrate includes a gate line, a data line insulated from the gate line while crossing the gate line, and a pixel electrode connected to the gate line and the data line. The second substrate faces the first substrate. The liquid crystal layer is interposed between the first substrate and the second substrate. The common electrode is disposed on at least one of the first substrate or the second substrate to form an electric field in cooperation with the pixel electrode. A data voltage applied to the pixel electrode has a polarity inverted every at least one frame with reference to a predetermined reference voltage, and a common voltage applied to the common electrode has a polarity inverted every at least two frames with reference to the reference voltage.Type: GrantFiled: March 26, 2012Date of Patent: March 17, 2015Assignee: Samsung Display Co., Ltd.Inventor: Neung-Beom Lee
-
Patent number: 8963897Abstract: An exemplary display device includes a substrate, a plurality of first and second pixel units, a first display layer, a second display layer, a spacer and a first color filter. The substrate has a first and a second display region. The first and second pixel units are disposed in the first and second display regions, respectively. The first display layer and the second display layer are disposed on the first and second pixel units, respectively. The first display region is surrounded by the spacer therefore the first display layer is separated from the second display layer. The first color filter is disposed on the first display layer. The first display layer and the second display layer are based on different displaying mechanisms. Therefore, the display device has the advantages of both the first display layer and the second display layer.Type: GrantFiled: June 7, 2012Date of Patent: February 24, 2015Assignees: Au Optronics (Suzhou) Corp., Ltd., Au Optronics Corp.Inventors: Shao-Bing Li, Han-Min Zhang
-
Patent number: 8952883Abstract: The present invention relates to a driving method of an electrophoretic display. The driving method of the electrophoretic display includes displaying a first gray at a first pixel and a second pixel, where a target gray of the first pixel is the first gray and a target gray of the second pixel is a second gray, and changing the second pixel from the first gray to the second gray.Type: GrantFiled: November 7, 2008Date of Patent: February 10, 2015Assignee: Samsung Display Co., Ltd.Inventors: Il-Pyung Lee, Sung-Jin Hong, Cheol-Woo Park, Yong-Woo Lee
-
Patent number: 8947339Abstract: A method for displaying an input image on a display includes receiving the input image to be displayed on the display. The image is modified with a first process to determine a driving signal for a two-dimensional backlight array of independently selectable light emitting elements of the display. The first modified image is modified with a second noise reducing process to determine a driving signal for a two-dimensional liquid crystal layer defining pixels of the display. The two-dimensional backlight array has a different density of light emitting elements than the two-dimensional liquid crystal layer defining the pixels of the display.Type: GrantFiled: December 21, 2009Date of Patent: February 3, 2015Assignee: Sharp Laboratories of America, Inc.Inventors: Xiao-fan Feng, Scott J. Daly
-
Patent number: 8941576Abstract: A display panel includes a gate driver connected to a gate line, where the gate driver includes a plurality of stages, where each of the stages includes at least one dual gate thin film transistor having a first control terminal and a second control terminal, and where each of the stages receives a clock signal, a first low voltage, a second low voltage, at least one transmission signal of previous stages, at least two transmission signals of subsequent stages and an output control signal from one of the stages to output a gate voltage including a gate-on voltage and a gate-off voltage.Type: GrantFiled: March 26, 2012Date of Patent: January 27, 2015Assignee: Samsung Display Co., Ltd.Inventors: Shin Tack Kang, Kyung-Hee Kim, Beom Jun Kim, Sung Man Kim, Jong Hwan Lee, Hong Woo Lee, Hye Rhee Han, Ji Hye Heo
-
Patent number: 8928571Abstract: A driving method for a Liquid Crystal Display (LCD) device is used for reducing power consumption of the LCD device. The driving method includes determining a driving approach of the LCD device, and performing corresponding charge sharing on a plurality of data channels according to the driving approach. The driving approach of the LCD device is determined according to a latch data (LD) signal and a polarity signal.Type: GrantFiled: August 10, 2009Date of Patent: January 6, 2015Assignee: NOVATEK Microelectronics Corp.Inventors: Ji-Ting Chen, Kuang-Feng Sung
-
Patent number: 8890902Abstract: Embodiments of the invention relate generally to generating images with an enhanced range of brightness levels, and more particularly, to facilitating high dynamic range imaging by adjusting pixel data and/or using predicted values of luminance, for example, at different resolutions. In at least one embodiment, a method generates an image with an enhanced range of brightness levels. The method can include accessing a model of backlight that includes data representing values of luminance for a number of first samples. The method also can include inverting the values of luminance, as well as upsampling inverted values of luminance to determine upsampled values of luminance. Further, the method can include scaling pixel data for a number of second samples by the upsampled values of luminance to control a modulator to generate an image.Type: GrantFiled: October 2, 2009Date of Patent: November 18, 2014Assignee: Dolby Laboratories Licensing CorporationInventor: Lewis Johnson
-
Patent number: 8860638Abstract: A pixel including: an organic light emitting diode that is coupled between a first power supply and a second power supply; a first transistor that is coupled between the first power supply and the organic light emitting diode and whose gate is connected to a first node; a second transistor that is coupled between the first node and a data line and whose gate electrode is coupled to a scan line; and a storage capacitor whose first electrode is coupled to the first node and second electrode is coupled to the first power supply, wherein the storage capacitor includes: a semiconductor layer that is positioned on a different layer from that of the data line and that expands to a region where the semiconductor layer overlaps with the data line and constitutes the first electrode, a first dielectric layer that is formed on the semiconductor layer, a first conductive layer that is formed on the first dielectric layer and constitutes the second electrode, a second dielectric layer that is formed on the first conductivType: GrantFiled: April 9, 2010Date of Patent: October 14, 2014Assignee: Samsung Display Co., Ltd.Inventors: Chang-Yeop Kim, Ki-Myeong Eom, Won-Kyu Kwak, Kwang-Min Kim
-
Patent number: 8836651Abstract: A touch panel includes a plurality of driving lines, a plurality of sensing lines and a plurality of sensing units. The sensing lines are arranged intersecting with the driving lines. The sensing units are arranged in an array, and each of the sensing units is electrically coupled to a corresponding one of the driving lines and a corresponding one of the sensing lines. The driving lines or the sensing lines only pass through a single side of the touch panel.Type: GrantFiled: March 22, 2011Date of Patent: September 16, 2014Assignee: AU Optronics Corp.Inventors: Yi-Long Wang, Ming-Lun Hsieh, Jian-Shen Yu, Min-Feng Chiang
-
Patent number: 8786576Abstract: Disclosed herein is a 3D space touch apparatus. The 3D space touch apparatus includes a support, an infrared LED array, left and right infrared cameras, and a space touch sensor module. The support supports the infrared LED array and the left and right infrared cameras. The infrared LED array emits infrared rays, which form an infrared screen in a space above the support. The left and right infrared cameras are disposed on the left and right sides of the support so that the lenses thereof can be oriented to the infrared screen. The space touch sensor module calculates the X-, Y- and Z-axis coordinates of a location of the infrared screen, touched by user pointing means, using images captured by the left and right infrared cameras and information about the resolutions and angles of view of the left and right infrared cameras.Type: GrantFiled: December 21, 2010Date of Patent: July 22, 2014Assignee: Korea Electronics Technology InstituteInventors: Kwang Mo Jung, Young Choong Park, Kwang Soon Choi, Woo Chul Park, Hae Moon Seo, Yang Keun Ahn
-
Patent number: 8760374Abstract: When a thin film transistor has an LDD structure or a double gate structure, the number of manufacturing steps increases, which may decrease the yield. The invention provides a display device where the influence of off current is reduced by a method different from the conventional one. According to the invention, a pass element is provided at one electrode of a light emitting element so as not to flow the off current of a transistor for driving the light emitting element through the light emitting element in a non-lighting period. The pass element allows the off current to flow outside, that is, the off current can be bypassed outside through the pass element.Type: GrantFiled: May 4, 2005Date of Patent: June 24, 2014Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Mitsuaki Osame, Aya Anzai, Yu Yamazaki
-
Patent number: 8749467Abstract: A liquid crystal display device includes: a liquid crystal panel that displays images using a plurality of pixels each including red, green and blue sub-pixels; a gate driving portion that supplies a gate signal to the liquid crystal panel; a data driving portion that supplies a data signal to the liquid crystal panel; and a timing control portion that compares difference of gray level between image signals corresponding to the red, green and blue sub-pixels with a first threshold value and compares difference of gray level between the image signals corresponding to the red, green and blue sub-pixels of neighboring pixels of the plurality of pixels in order to judge type of the image signals, and drives the data driving portion in different methods according to the type of the image signals.Type: GrantFiled: July 19, 2010Date of Patent: June 10, 2014Assignee: LG Display Co., Ltd.Inventors: Song-Jae Lee, Young-Ho Kim
-
Patent number: 8743103Abstract: In accordance with revealed embodiments of the present invention, a source driver is provided, which is capable of providing a variety of polarity inversion patterns of source driving signals. Additionally, due to properly utilizing a multiplexing device and a switching device, hardware architecture of the inventive source driver is no more complicated than that of the conventional source driver. As a result, the present invention provides a source driver having the greater performance than the conventional source driver without increasing hardware cost and circuitry complexity.Type: GrantFiled: August 10, 2011Date of Patent: June 3, 2014Assignee: AU Optronics Corp.Inventors: Yung-Hsu Lin, Chun-Fan Chung
-
Patent number: 8717337Abstract: A touch panel embedded liquid crystal display device is disclosed. A touch panel embedded liquid crystal display device includes a first substrate having a plurality pixels defined in a matrix, a second substrate comprising first, second and third color filters to form a first, second and third color sub-pixels. A second substrate is opposed to the first substrate. A first photo-sensor is provided on the first substrate in a region corresponding to the first color sub-pixel and a second photo-sensor is provided on the first substrate in a region corresponding to the second or third color sub-pixel.Type: GrantFiled: December 24, 2009Date of Patent: May 6, 2014Assignee: LG Display Co., Ltd.Inventors: Cheol-Se Kim, Wook Jeon, Jae-Won Shin
-
Patent number: 8717331Abstract: A method and apparatus for reducing water influence on a touch-sensing device is described.Type: GrantFiled: December 21, 2010Date of Patent: May 6, 2014Assignee: Cypress Semiconductor CorporationInventors: Viktor Kremin, Taras Kulyk, Oleksandr Karpin, Volodymyr Hutnyk
-
Patent number: 8692759Abstract: A light source apparatus includes light-emitting blocks, a local dimming control part and a light source driving part driving. The light-emitting blocks include a first-color light source which emits first-color light and a second-color light source which emits second-color light. The second-color light source includes a third-color chip and a fourth-color phosphor disposed on the third-color chip, and is disposed as one package to emit the second-color light therefrom. The local dimming control part compensates a driving current of the first-color light source and a driving current of the second-color light source of each of the light-emitting blocks. The light source driving part drives the first-color light source and the second-color light sources based on the driving current of the first-color light source and the a driving current of the second-color light source, respectively, each compensated by the local dimming control part.Type: GrantFiled: June 11, 2009Date of Patent: April 8, 2014Assignee: Samsung Display Co., Ltd.Inventors: Se-Ki Park, Dong-Min Yeo, Gi-Cherl Kim, Si-Joon Song, Chi-O Cho, Young-Keun Lee
-
Patent number: 8665297Abstract: A display apparatus includes a temperature sensor, a timing controller, a data driver and a display panel. The temperature sensor senses a temperature, the timing controller includes a dynamic capacitance capture (“DCC”) block, which converts a green data, a red data and a blue data into a green compensation data, a red compensation data and a blue compensation data, respectively, based on the temperature sensed by the temperature sensor, and the data driver converts the red compensation data, the green compensation data and the blue compensation data into a data voltage and outputs the data voltage. The display panel receives the data voltage and displays an image.Type: GrantFiled: April 8, 2010Date of Patent: March 4, 2014Assignee: Samsung Display Co., Ltd.Inventors: Bongim Park, Nam-Gon Choi, ByungKil Jeon, Jae-Won Jeong, Woo-Young Lee, Kang-Hyun Kim
-
Patent number: 8638304Abstract: A touch screen includes an LCD panel; a display controller for processing a video signal to generate a panel control signal and a sensing control signal, with the panel control signal controlling the LCD panel so that the LCD panel displays images according to the panel control signal; a touch panel, for generating the sensing signal in response to a touch; and a sensing circuit, coupled to the touch panel and the display controller, for receiving the sensing signal and the sensing control signal to generate a position signal with reference to the sensing control signal.Type: GrantFiled: July 19, 2010Date of Patent: January 28, 2014Assignee: MStar Semiconductor, Inc.Inventors: Chi Kang Liu, Chin-Wei Lin