Patents Examined by Peijie Shen
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Patent number: 11972721Abstract: A display device is disclosed that includes pixels, a memory, and a degradation compensator. The pixels include light emitting elements. The memory is operable to store degradation information including degradation degrees of the light emitting elements. The degradation compensator is operable to receive the degradation information and generate output grayscales by changing each of input grayscales of the pixels in proportion to each of the degradation degrees. The degradation compensator includes a degradation information changer for changing the degradation information by decreasing a degradation degree having a variation greater than a threshold value among variations of the degradation degrees.Type: GrantFiled: September 20, 2022Date of Patent: April 30, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jae Hoon Lee, Kyoung Ho Lim, Seung Ho Park, Hee Sook Park, Sang Myeon Han
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Patent number: 11967262Abstract: A display device includes a display panel, a controller, and a data driver. The display panel includes a plurality of pixels. The controller is configured to: receive input image data for the display panel; divide the display panel into a plurality of first pixel blocks each having a first size; divide the display panel into a plurality of second pixel blocks each having a second size different from the first size; generate, based on the input image data, a first stress map for the plurality of first pixel blocks and a second stress map for the plurality of second pixel blocks; and generate output image data by compensating the input image data based on the first stress map and the second stress map. The data driver is configured to provide data voltages to the plurality of pixels based on the output image data.Type: GrantFiled: September 21, 2022Date of Patent: April 23, 2024Assignee: Samsung Display Co., Ltd.Inventors: Byung Ki Chun, Hyeonmin Kim, Yongseok Choi
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Patent number: 11967259Abstract: A method of manufacturing a display panel comprises a first substrate is manufactured, a plurality of scanning lines and shorting bars are formed on the first base substrate, the scanning lines are located in the first display area and extend to the first peripheral wiring area, and the shorting bars are located in the first cutting area, a shorting bar is connected to one end of a plurality of odd-numbered scanning lines, or a shorting bar is connected to one end of a plurality of even-numbered scanning lines, to make the odd-numbered scanning lines each in an electrical connection with at least another odd-numbered scanning line, or the even-numbered scanning lines each in an electrical connection with at least another even-numbered scanning line.Type: GrantFiled: December 7, 2018Date of Patent: April 23, 2024Assignee: HKC CORPORATION LIMITEDInventor: Jiankun Han
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Patent number: 11955068Abstract: Embodiments of the present disclosure provide a gamma standard voltage generating circuit, a gamma driving voltage generating circuit and a display device. The gamma standard voltage generating circuit includes: a constant voltage element for outputting a constant voltage; a following voltage element coupled to a driving voltage terminal, for outputting a following voltage changing with a driving voltage of the driving voltage terminal; a selecting element electrically coupled to the constant voltage element and the following voltage element, for outputting the following voltage 10 or the constant voltage as an output voltage; a comparison element electrically coupled to the selecting element, for controlling the selecting element to output the following voltage when the output voltage meets a preset standard, and controlling the selecting element to output the constant voltage when the output voltage does not meet the preset standard; the constant voltage does not meet the preset standard.Type: GrantFiled: September 29, 2021Date of Patent: April 9, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Baoyun Wu, Zebang Guo, Hui Zhao
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Patent number: 11947765Abstract: According to a touch panel and a display panel provided in embodiments of the present application, a first connecting structure for connecting adjacent two first electrode units and a second connecting structure for connecting adjacent two second electrode units are improved. In this way, graphic design is performed on the second connecting structure and a wired manner of the first connecting structure is designed, so that an area of an intersection between the first connecting structure and the second connecting structure can be reduced, thereby reducing parasitic capacitance between the first connecting structure and the second connecting structure, and further improving or eliminating an impact of a bridging point of a touch electrode on touch linearity of a touch panel, to ensure better stability of the touch panel in use.Type: GrantFiled: May 10, 2023Date of Patent: April 2, 2024Assignee: KunShan Go-Visionox Opto-Electronics Co., Ltd.Inventor: Yichao Deng
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Patent number: 11941170Abstract: The invention is related to a method and system for calibrating an eye tracking device configured to track a gaze point of a user on a display The method comprises: presenting a video on the display to a user, the video having a start size and a start position; tracking the gaze of the user, using an image sensor of the eye tracking device; and sequentially completing, for at least one calibration position, the steps of: resizing the video to a calibration size, wherein the calibration size is smaller than the start size, and translating the video to a calibration position; recording calibration data, using the eye tracking device, for the user viewing the video in the calibration position; and resizing the video to a second size that is greater than the start size.Type: GrantFiled: March 17, 2022Date of Patent: March 26, 2024Assignee: Tobii ABInventors: Sergey Slobodenyuk, Mikkel Rasmussen, Andreas Jansson, Thomas Gaudy, Evgeniia Farkhutdinova, Jonas Högström, Richard Andersson
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Patent number: 11929029Abstract: A display device includes first and second initialization voltage sources and first and second pixel circuits. The first initialization voltage source provides a first initialization voltage. The second initialization voltage source provides a second initialization voltage less than the first initialization voltage. The first pixel circuit includes a first organic light emitting diode. The second pixel circuit includes a second organic light emitting diode with an organic material having a band gap different from a band gap of an organic material in the first organic light emitting diode. The first pixel circuit is coupled to the first initialization voltage source and the second initialization voltage source. The second pixel circuit is coupled to a single initialization voltage source.Type: GrantFiled: January 27, 2023Date of Patent: March 12, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyung Jun Park, Yang Wan Kim, Byung Sun Kim, Su Jin Lee, Jae Yong Lee
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Patent number: 11922898Abstract: A display device includes a display controller and a plurality of source drivers that supply gradation voltage signals to a plurality of pixel parts in a display panel. The plurality of source drivers each includes a setting register that stores setting data, at least one calculation circuit that performs calculation based on the setting data and calculates a setting value for a gradation voltage signal to be outputted, a source output unit that outputs a gradation voltage signal based on a video data signal and the setting value, and a code value calculation unit that calculates an error detection code value based on the calculation result of the calculation circuit. The display controller detects failure that has occurred in the calculation circuit in the plurality of source drivers, based on a calculation result of the code value in each of the plurality of source drivers.Type: GrantFiled: March 17, 2023Date of Patent: March 5, 2024Assignee: LAPIS TECHNOLOGY CO., LTD.Inventor: Hiroaki Ishii
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Patent number: 11915634Abstract: A display substrate and a display device are provided. In the display substrate, a first display region includes a first light emitting unit column and a second light emitting unit column each connected with a column of first sub-pixel circuits; a second display region includes a third light emitting unit column and a fourth light emitting unit column each connected with a column of first sub-pixel circuit pairs; each second sub data line is connected with each second light emitting unit column, and each fourth sub data line is connected with each fourth light emitting unit column. The first sub-pixel circuits connected with the fourth light emitting unit column and the first sub-pixel circuits connected with the second light emitting unit column are located in different columns, and the second sub data line and the fourth sub data line are connected by a data line connection portion.Type: GrantFiled: October 15, 2021Date of Patent: February 27, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lili Du, Yao Huang, Yue Long, Benlian Wang, Weiyun Huang
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Patent number: 11908387Abstract: A display with multiple light sources sharing a device driver is disclosed. In one embodiment of the present invention a display includes a first device driver, a first light source, a second light source and a first light-source selection circuit which is coupled to the first device driver, the first light source and the second light source. The first light-source selection circuit is configured to pair the first device driver with the first light source during a first time interval and to pair the first device driver with the second light source in a second time interval.Type: GrantFiled: November 7, 2022Date of Patent: February 20, 2024Assignees: Syndiant, Inc., XDMicro (Zhongshan) Optoelectronics Semiconductor Co., LTDInventors: Chun Chiu Daniel Wong, Craig Michael Waller
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Patent number: 11908415Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for brightness control for under-display fingerprint sensor are disclosed. A method includes receiving, at a computing device, an indication to activate an under-display sensor that is located underneath a display of the computing device; activating a collection of LEDs of the display to provide illumination for the under-display sensor, including activating an LED in the collection of LEDs by: establishing, by drive circuitry of the LED, a first overdriven voltage across an LED-driving transistor that is arranged to energize the LED; establishing a second overdriven voltage across the LED-driving transistor; and establishing a steady state voltage across the LED-driving transistor; and activating the under-display sensor by reading a signal from the under-display sensor once the collection of LEDs has activated, including once the steady state voltage has been programmed across the LED-driving transistor.Type: GrantFiled: October 18, 2021Date of Patent: February 20, 2024Assignee: Google LLCInventors: Sang Young Youn, Chien-Hui Wen
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Patent number: 11908398Abstract: A display device includes: a display area; a non-display area around the display area; a substrate; and a first terminal in the non-display area on the substrate, the first terminal including: a plurality of first conductive patterns spaced apart from each other, an insulating layer covering each of the plurality of first conductive patterns, and a second conductive pattern on the insulating layer, covering the plurality of first conductive patterns, and including concave and convex portions on a surface thereof.Type: GrantFiled: December 17, 2021Date of Patent: February 20, 2024Assignee: Samsung Display Co., Ltd.Inventor: Byoung Yong Kim
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Patent number: 11908362Abstract: A display device includes first lead lines connecting the circuit signal lines with the driving integrated circuit, and second lead lines connecting the panel signal lines with the driving integrated circuit, wherein the second lead lines comprise a 2-1 sub-lead line configured to supply a scan-high voltage signal from the driving integrated circuit to the panel signal lines, and a 2-2 sub-lead line configured to supply a scan-low voltage signal from the driving integrated circuit to the panel signal lines, wherein the first lead lines comprises a 1-1 sub-lead line connected to the driving integrated circuit, a 1-1-1 sub-lead line separated from the 1-1 sub-lead line in a first direction, a 1-2 sub-lead line spaced apart from the 1-1 sub-lead line in a second direction intersecting the first direction, and a 1-2-1 sub-lead line spaced apart from the 1-2 sub-lead line in the second direction.Type: GrantFiled: November 14, 2022Date of Patent: February 20, 2024Assignee: Samsung Display Co., Ltd.Inventors: Cheol Hwan Eom, Hyung Jun An, Ji Phyo Hong, Jong Won Moon, Hyea Weon Shin
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Patent number: 11900846Abstract: The present application provides a chrominance visual angle correction method for a display, and an intelligent terminal and a storage medium. The method comprises: acquiring brightness data of different primary colors varying with the gray scale at a vertical visual angle and a squint visual angle, and generating a search database; splitting, according to the search database and a preset rule, a pixel gray scale of the display into a plurality of high and low gray scale combinations composed of high gray scales and low gray scales; calculating a scale of brightness of the plurality of high and low gray scale combinations, and acquiring a scale of brightness of high and low gray scale combination closest to a scale of vertical vision brightness as a primary color pixel gray scale.Type: GrantFiled: September 4, 2020Date of Patent: February 13, 2024Assignee: SHENZHEN TCL NEW TECHNOLOGY CO., LTD.Inventors: Daxue Xia, Lin Chen, Renli Xie
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Patent number: 11900896Abstract: A source driver includes a plurality of output terminals and a plurality of driving channels. Each of the plurality of driving channels is coupled to an output terminal among the plurality of output terminals and includes an output buffer, an output enable switch and a charge sharing circuit. The output enable switch is coupled between the output buffer and the corresponding output terminal. The charge sharing circuit is coupled to the corresponding output terminal. Wherein, the charge sharing circuits of at least two of the plurality of driving channels are commonly coupled to a charge sharing bus.Type: GrantFiled: August 5, 2022Date of Patent: February 13, 2024Assignee: NOVATEK Microelectronics Corp.Inventors: Jhih-Siou Cheng, Yen-Kai Chen, Jui-Chan Chang, Chih-Hsien Chou
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Patent number: 11893147Abstract: An occupant support system is disclosed for controlling a computer-generated representation of an object, comprising: (i) a support device comprising a plurality of support members configured to support an occupant, and a corresponding plurality of independently movably supported suspension systems such to provide at least one independent motion selected from vertical, lateral, tilt and azimuthal motions and longitudinal roll motion of the support members.Type: GrantFiled: March 6, 2017Date of Patent: February 6, 2024Assignee: LIMBIC LIFE AGInventor: Patrik Kunzler
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Patent number: 11881158Abstract: Provided are a display panel and a display device. The display panel includes a light-emitting element and a pixel drive circuit electrically connected to the light-emitting element. The pixel drive circuit includes a drive transistor and a first reset module. The drive transistor is configured to control a drive current. The first reset module is connected to a first node and configured to provide a first reset voltage to the first node. The light-emitting element is connected to the first node. A working mode of the display panel comprise a first drive mode. A display frame in the first drive mode includes a valid frame and an invalid frame. In the first drive mode, a first reset voltage for the valid frame is different from a first reset voltage for the invalid frame.Type: GrantFiled: January 6, 2023Date of Patent: January 23, 2024Assignee: Shanghai Tianma Microelectronics Co., Ltd.Inventors: Hao Ding, Jujian Fu
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Patent number: 11823615Abstract: A scan driver includes a plurality of stages. A n-th stage among the plurality of stages includes a first input unit controlling a voltage of a first node in response to a previous carry signal, a scan output unit outputting a current scan signal corresponding to a scan clock signal in response to the voltage of the first node, a first switching unit controlling a voltage of a second node in response to the previous carry signal, a sensing output unit outputting a current sensing signal corresponding to a sensing clock signal in response to the voltage of the second node, a carry output unit outputting a current carry signal corresponding to a carry clock signal in response to the voltage of the second node, and a second switching unit controlling the voltage of the second node in response to the sensing clock signal or the carry clock signal.Type: GrantFiled: February 1, 2022Date of Patent: November 21, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Jae Hoon Lee
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Patent number: 11804162Abstract: A display device includes: a timing controlling part generating a three color image data, a data control signal and a gate control signal using an image signal and a plurality of timing signals, generating a first four color data having a white gray level data greater than 0 and a second four color data having the white gray level data of 0 using the three color image data, and generating a four color image data using the first and second four color data; a data driving part generating a data signal using the four color data and the data control signal; a gate driving part generating a gate signal using the gate control signal; and a display panel including a pixel having red, green, blue and white subpixels and displaying an image using the data signal and the gate signal.Type: GrantFiled: September 15, 2021Date of Patent: October 31, 2023Assignee: LG Display Co., Ltd.Inventor: Min-Chul Byun
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Patent number: 11803302Abstract: A user interface device based on proactive and reactive input quantification, includes a data acquisition unit configured to record input and screen output of a user, an input filtering unit for extracting an input timing for the input of the user, an output filtering unit for extracting an output timing to start a visual change beyond a specific reference for the screen output, an input/output interval extraction unit for generating a distribution of input/output intervals through timings for the input and the screen output of the user, and a model fitting unit for estimating proactiveness and reactiveness by adjusting the distribution of the input/output intervals to a proactive distribution and a reactive distribution.Type: GrantFiled: December 29, 2021Date of Patent: October 31, 2023Assignee: UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITYInventors: Byungjoo Lee, Hyunchul Kim