Intensity Or Color Driving Control (e.g., Gray Scale) Patents (Class 345/690)
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Patent number: 12387669Abstract: Systems and methods described herein may utilize a non-linear scaling relationship to scale brightness of selective portions of the display in a manner that reduces or eliminates perceivable banding effects. By non-linearly controlling changes in brightness of the display, a viewer may perceive a more uniform, linear dimming towards the relatively dimmer region without perceiving banding, leading to improved user experience when viewing the electronic display.Type: GrantFiled: December 14, 2023Date of Patent: August 12, 2025Assignee: Apple Inc.Inventors: Mario Miscuglio, Yang Xu, Snehal T Jariwala, Yi Qiao, Jean-Pierre S Guillou, Jenny Hu, Ming Xu, Wanqing Xin, Zuo Xia, Xin Zheng, Jie Won Ryu, Graeme M Williams, Kingsuk Brahma
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Patent number: 12374259Abstract: A method for driving display of a display panel, a display driver chip and a display device are provided. The method includes: acquiring a to-be-displayed grayscale of a sub-pixel in a frame of a to-be-displayed image; determining whether the to-be-displayed grayscale meets a grayscale optimization condition of a gamma curve; on determining that the to-be-displayed grayscale meets the grayscale optimization condition of the gamma curve, dividing a refresh period of the to-be-displayed image into sub-frames; and in the refresh period of the to-be-displayed image, controlling the sub-pixel to display first grayscales based on first data signals; and the first grayscales are not equal to the to-be-displayed grayscale, the first grayscales and the first data signals corresponding to the first grayscales satisfy the gamma curve.Type: GrantFiled: September 27, 2023Date of Patent: July 29, 2025Assignees: WUHAN TIANMA MICROELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCHInventor: Bojia Lyu
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Patent number: 12374309Abstract: An information processing apparatus includes: a memory which temporarily stores image data of an image captured by an imaging unit; a processor which processes the image data stored in the memory; an internal display; and a connection unit which connects to an external display. The processor performs: face detection processing to process the image data of the image stored in the memory in order to detect a face area with a face captured therein and an orientation of the face from the image; brightness reduction processing to reduce screen brightness of the internal display based on the orientation of the face toward the internal display detected by the face detection processing; and brightness reduction control processing to enable the brightness reduction processing or to disable the brightness reduction processing.Type: GrantFiled: April 23, 2024Date of Patent: July 29, 2025Assignee: Lenovo (Singapore) Pte. Ltd.Inventors: Masashi Nishio, Yuji Wada
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Patent number: 12374265Abstract: A display apparatus includes at least one display panel including a pixel array configured by a plurality of pixels. The display apparatus further includes at least one controller which receives image data from a host system and controls the driving of the display panel to display the image data. The controller transmits a frame synchronization signal notifying a transmission start time for every image frame included in the image data to the host system, detects a reception start time for an image frame received from the host system, and delays a transmission start time of a data signal corresponding to the image frame to the display panel based on a difference between a start time of the frame synchronization signal and the reception start time.Type: GrantFiled: October 9, 2023Date of Patent: July 29, 2025Assignee: LG Display Co., Ltd.Inventor: Wonsuk Lee
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Patent number: 12367799Abstract: A driver circuit including a controller circuit is provided. The controller circuit is configured to perform an image compensating operation on a display pixel of an image sensing region of a display panel to compensate a pixel value of the display pixel using a first compensating value. The image sensing region is a circular area comprising image sensors. The controller circuit determines the first compensating value according to a location of the display pixel in the image sensing region. A method for compensating pixel values of display pixels is also provided.Type: GrantFiled: November 14, 2023Date of Patent: July 22, 2025Assignee: Novatek Microelectronics Corp.Inventors: Zi-Yi Lian, Yen-Tao Liao
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Patent number: 12367806Abstract: The present disclosure discloses a timing controller of a display device having an overdriving function. The timing controller includes a data reception circuit configured to receive display data, an overdriving circuit configured to perform overdriving on display data, and a data transmission circuit configured to transit overdriven display data.Type: GrantFiled: August 22, 2022Date of Patent: July 22, 2025Assignee: LX SEMICON CO., LTD.Inventors: Do Seok Kim, Won Sik Chae, Su Jin Han
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Display substrate including a shift register at an edge area of a base substrate, and display device
Patent number: 12364016Abstract: A display substrate including a base and a shift register unit provided on the base; the shift register unit includes a first first voltage line, an on-off control circuit, a first energy storage circuit and a fourth node control circuit; the on-off control circuit comprises a first transistor, and the first energy storage circuit includes a first capacitor; at least part of the first first voltage line extends in the a first direction; the fourth node control circuit includes a second transistor; the first capacitor, the first transistor, the first first voltage line and the second transistor are arranged in a second direction; the second transistor, the first first voltage line, the first transistor and the first capacitor are arranged in sequence along a direction close to the display area; the first direction intersects the second direction.Type: GrantFiled: August 5, 2022Date of Patent: July 15, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhongliu Yang, Tiaomei Zhang, Wenbo Chen -
Patent number: 12361876Abstract: An organic light emitting display device and a method for providing low luminance power thereof includes a data driver including a lookup table storing therein a low potential voltage and an initialization voltage corresponding to each gamma set such that a low potential voltage and an initialization voltage in a 60 Hz operation mode are respectively different from a low potential voltage and an initialization voltage in a 90 Hz operation mode and a method compensates for an anode charging time in the low luminance range, thereby improving seamlessness.Type: GrantFiled: June 22, 2023Date of Patent: July 15, 2025Assignee: LG Display Co., Ltd.Inventors: Kwangpyo Park, Bonghwan Kim
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Patent number: 12354528Abstract: A display panel includes a first display region to an N-th display region disposed in a row direction. A P-th display region includes a first pixel circuit including a first pixel driving transistor, a first pixel initialization transistor which receives an initialization voltage, and a first pixel compensation transistor connected in series to the first pixel initialization transistor, where the first pixel compensation transistor connects the first pixel driving transistor and the first pixel initialization transistor to each other based on a compensation gate signal, and a P-th region control circuit including a first control transistor which outputs a high gate voltage of the compensation gate signal, and a second control transistor which outputs a low gate voltage of the compensation gate signal, where the first control transistor and the second control transistor are controlled based on a P-th region control signal.Type: GrantFiled: December 23, 2023Date of Patent: July 8, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Yong No, Kyungho Kim, Gichang Lee
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Patent number: 12354561Abstract: A display device includes a display panel, a controller, and a data driver. The display panel includes a plurality of pixels. The controller receives image data including data representing a logo, detects a logo region including the logo in the image data, determines a correction gain based on a quotient of a second gray level of a peripheral region adjacent to the logo region and a first gray level of the logo region, and generates corrected image data by correcting the image data based on the correction gain. The data driver provides data signals to the plurality of pixels based on the corrected image data.Type: GrantFiled: May 8, 2023Date of Patent: July 8, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Wonwoo Jang, Seungho Park, Kyoungho Lim
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Patent number: 12354537Abstract: A display device including: a display including a plurality of pixels in a plurality of pixel lines; a memory for storing a first cross-talk and a second cross-talk weight; and at least one processor configured to: simultaneously apply an image signal to the plurality of pixel lines; acquire a plurality of grayscale values and a plurality of grayscale sections of each of the plurality of pixels; acquire, based on the plurality of grayscale values, first histogram and second histogram information; identify a first cross-talk amount based on the first histogram information and the first cross-talk weight; identify a second cross-talk amount based on the second histogram information and the second cross-talk weight; acquire grayscale correction data of the target pixel based on the first cross-talk amount and the second cross-talk amount; and acquire a corrected grayscale value of the target pixel based on the grayscale correction data.Type: GrantFiled: June 24, 2024Date of Patent: July 8, 2025Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seungryong Han, Tetsuya Shigeta, Gangmo Koo, Hwaseok Seong
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Patent number: 12354521Abstract: A display device including a display panel is disclosed. The display panel includes a substrate, multiple scan lines, multiple data lines, multiple pixel structures, a first gate driving circuit, and a second gate driving circuit. The pixel structures are electrically connected to the scan lines and the data lines. Multiple first output stage circuits of the first gate driving circuit disposed in a peripheral area are electrically connected to the scan lines. Multiple second output stage circuits of the second gate driving circuit disposed in the peripheral area are electrically connected to the scan lines. A channel width of a first output transistor of the first output stage circuit is greater than a channel width of a second output transistor of the second output stage circuit.Type: GrantFiled: August 28, 2023Date of Patent: July 8, 2025Assignee: HannStar Display CorporationInventors: Jing-Xuan Chen, Yen-Chung Chen, Mu-Kai Kang, Qi-En Luo, Cheng-Yen Yeh
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Patent number: 12340761Abstract: A display panel, a driving method for a display panel, and a display device. The display panel includes a display region, a non-display region, multiple sub-pixels, and at least one reused signal line; each sub-pixel includes a pixel circuit and a light-emitting device; in the pixel circuit, the initialization module is configured to write the initialization voltage to at least one of a control terminal of the drive module and an anode of the light-emitting device; in each sub-pixel, an input terminal of the initialization module in the pixel circuit and a cathode of the light-emitting device are connected to one reused signal line; and each reused signal line is configured to, in an initialization stage, provide the initialization voltage for the initialization module and in a light emission stage, provide the cathode voltage for the cathode of the light-emitting device.Type: GrantFiled: April 26, 2024Date of Patent: June 24, 2025Assignee: Hefei Visionox Technology Co., Ltd.Inventors: Yunjie Liu, Yang Shao
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Patent number: 12334010Abstract: A display device includes a light emitting element, a first transistor, and a second transistor connected between the first transistor and the light emitting element and including a gate electrode which receives an emission signal. One frame includes a first period a second period continuous with the first period. An emission off period of the emission signal has a first time duration during the first period, and the emission off period of the emission signal has a second time duration different from the first time duration during the second period.Type: GrantFiled: March 16, 2023Date of Patent: June 17, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Donggyu Lee, Jae-Hyeon Jeon, Sehyuk Park, Jin-Wook Yang
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Patent number: 12334019Abstract: A display device includes a pixel driving circuit, a first-type light-emitting element electrically connected to the pixel driving circuit, a second-type light-emitting element electrically connected to the pixel driving circuit, and a light path control layer disposed to overlap the second-type light-emitting element, where the light path control layer controls a path of light provided from the second-type light-emitting element.Type: GrantFiled: August 7, 2023Date of Patent: June 17, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jinkoo Chung, Seong-Min Kim, Beohmrock Choi
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Patent number: 12322340Abstract: A pixel circuit includes a drive transistor, a data writing module, a storage module, and a light emitting control module; a first terminal of the storage module is configured to receive a first power supply voltage signal, and a second terminal of the storage module is configured to be connected to a control electrode of the drive transistor; a first terminal of the data writing module is configured to receive a data signal, and a second terminal of the data writing module is configured to be connected to the control electrode of the drive transistor; a substrate of the drive transistor is configured to receive a second voltage signal, a first electrode of the drive transistor is configured to receive the first power supply voltage signal, and a second electrode of the drive transistor is configured to be connected to at least partial light emitting control module.Type: GrantFiled: March 15, 2024Date of Patent: June 3, 2025Assignee: GLENFLY TECH CO., LTD.Inventors: Zhifeng Mao, Bin Sheng, Fei Gou, Wenwei Xu, Jing Xie, Wei Liu
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Patent number: 12324118Abstract: The present application discloses a splicing screen and a display device, which relates to a technical field of display. In technical solutions provided by the present application, structures of a first unit panel and a second unit panel that are mutually spliced in the splicing screen are improved. A first light-emitting device layer defining a display area AA thereof in the first unit panel overlaps a non-display area of the second unit panel for displaying, so as to visually eliminate or weaken visual influence of the non-display area on the splicing screen, lift restriction of the non-display area NA on spacing between adjacent pixel units of different unit panels in the splicing screen, and improve visual senses of the splicing screen.Type: GrantFiled: March 31, 2022Date of Patent: June 3, 2025Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Jhongciao Ke
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Patent number: 12322346Abstract: A display device includes: a substrate having a first display area, a second display area, and a non-display area; a first circuit disposed on the substrate; a first light emitter electrically connected to the first circuit and which overlaps the first display area; a second circuit disposed on the substrate; a second light emitter electrically connected to the second circuit and which overlaps the second display area; and a scan driver positioned on the substrate and which overlaps at least a portion of the second display area and the non-display area.Type: GrantFiled: May 31, 2024Date of Patent: June 3, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung Jin Hong, Sun Ho Kim, Hye Won Kim, Ju Chan Park
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Patent number: 12315412Abstract: An information processing apparatus performs face detection processing to detect a face area with a face captured therein from an image captured by an imaging unit, brightness reduction processing in which, when the face area is no longer detected from a state where the face area is detected by the face detection processing while the screen brightness of a display unit is controlled to a first screen brightness, the screen brightness is reduced from the first screen brightness to a second screen brightness after first time has elapsed, and imaging state determination processing to determine whether an imaging state is a first imaging state where the imaging unit can capture an image in an image brightness capable of detecting the face area or a second imaging state where the imaging unit cannot capture any image in the image brightness capable of detecting the face area.Type: GrantFiled: February 22, 2024Date of Patent: May 27, 2025Assignee: Lenovo (Singapore) Pte. Ltd.Inventors: Masashi Nishio, Yuji Wada, Mamoru Okada, Eri Shimizu
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Patent number: 12315434Abstract: A display includes a first light emitting device. The first light emitting device includes a first switch and a second switch. The first switch is configured to adjust a first node according to a first clock signal. The second switch is configured to generate a first light emitting signal according to a first voltage signal. A control end of the second switch is coupled to the first node. The first clock signal switches between a first voltage level and a second voltage level. The first voltage signal has a third voltage level. The third voltage level is more than one of the first voltage level and the second voltage level and is less than the other one of the first voltage level and the second voltage level.Type: GrantFiled: December 27, 2023Date of Patent: May 27, 2025Assignee: AUO CORPORATIONInventors: Che-Wei Tung, Wei-Li Lin, Chin-Hao Chang, Wei-Kai Huang
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Patent number: 12315041Abstract: Display control method, display control device, non-transitory computer-readable storage medium and display device are disclosed. The display control method including: performing following steps in response to a data visualization display instruction: in response to a coordinate selection instruction, determining target coordinate position corresponding to the coordinate selection instruction in source image displayed on display panel, and determining an active region at least covering the target coordinate position according to the target coordinate position; acquiring image information of the active region; generating at least one image to be superimposed according to the image information of the active region, with the at least one image to be superimposed including pattern configured to represent the image information of the active region; and superimposing each image to be superimposed on the source image to obtain an output image, and outputting the output image to the display panel to be displayed.Type: GrantFiled: August 30, 2021Date of Patent: May 27, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Congrui Wu, Youxiang Xia, Xitong Ma
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Patent number: 12292628Abstract: This display medium is formed so as to be capable of displaying a prescribed number of content items corresponding to a prescribed number of azimuth angles from prescribed elevation and azimuth angles. The display medium includes a planar member for reflecting light, the planar member being segmented into a plurality of unit cells, with each of the plurality of unit cells being segmented into a prescribed number of sub-cells corresponding to the prescribed number of azimuth angles. A protrusion member that has a light-shielding surface, parallel to the prescribed azimuth angle on the planar member, is formed in each sub-cell corresponding to the prescribed azimuth angle. The protrusion member is tinted with a plurality of colors that form an achromatic color by additive color mixing.Type: GrantFiled: June 18, 2021Date of Patent: May 6, 2025Assignee: DWANGO Co., Ltd.Inventor: Kaisei Sakurai
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Patent number: 12293690Abstract: Provided display panel includes pixel circuit and light emitting element. The pixel circuit includes drive module including a drive transistor, bias adjustment module to provide a bias adjustment signal to a first pole or a second pole of the drive transistor and initialization module to provide initialization signal to the light emitting element. Operation modes include a first mode and a second mode, and brightness level of the display panel in the first mode greater than that in the second mode. The pixel circuit includes data writing frame and holding frame, data writing frame in first mode corresponds to initialization signal of Vi11, holding frame in first mode corresponds to initialization signal of Vi12, data writing frame in second mode corresponds to bias adjustment signal of Vs21, holding frame in second mode corresponds to bias adjustment signal of Vs22, and |Vi11?Vi12|?|Vs21?Vs22|.Type: GrantFiled: December 4, 2023Date of Patent: May 6, 2025Assignee: Hubei Yangtze Industrial Innovation Center of Advanced Display Co., Ltd.Inventors: Yuheng Zhang, Jiemiao Pan
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Patent number: 12288533Abstract: A display panel and a backlight compensation method therefor are disclosed. The backlight compensation method includes: detecting ambient light parameters at four positions of the display panel to obtain an ambient light intensity parameters at a first position, a second position, a third position, and a fourth position; obtaining a partition compensation table for a total number of n*m partitions based on the ambient light intensity parameters at the first and second positions, the second position, the first preset parameter, the partition parameter in the first direction, the ambient light intensity parameter at the third and fourth positions, the second preset parameter, and the partition parameter in the second direction; and driving respective backlight sources of different partitions according to the partition compensation table; where each partition includes at least one lamp bead.Type: GrantFiled: May 14, 2024Date of Patent: April 29, 2025Assignee: HKC CORPORATION LIMITEDInventors: Hongsong Wang, Junfeng Xie
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Patent number: 12283235Abstract: A pixel includes: a light-emitting element including an anode and a cathode, a first transistor including a first and a second electrode and a gate electrode connected with a first node, a third transistor connected between the second electrode of the first transistor and the first node and including a gate electrode connected with a first scan line, a sixth transistor connected between the second electrode of the first transistor and the anode and including a gate electrode connected with a first emission line, and a seventh transistor connected between the anode and an initialization voltage line and including a gate electrode connected with a second scan line. During an initialization period, the third, sixth, and seventh transistors are turned on such that an initialization voltage from the initialization voltage line is transferred to the gate electrode of the first transistor.Type: GrantFiled: May 11, 2024Date of Patent: April 22, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin-Wook Yang, Yu-Chol Kim, Donggyu Lee, Jae-Hyeon Jeon
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Patent number: 12279493Abstract: An organic EL display device includes the following: scanning line; data lines intersecting with the scanning lines; initialization lines; sub-pixel circuits provided to correspond to points of intersection between the scanning lines and data lines; and organic EL elements OLED provided to correspond to the sub-pixel circuits. The scanning signal lines, the data signal lines, the initialization power-source lines, the sub-pixel circuits and the light emitters are arranged in matrix in a display region. Each of the sub-pixel circuits includes the following: a drive transistor; a write transistor connecting a corresponding one of the data lines and the drive transistor together; a capacitor connected to the drive transistor and retaining a data signal; and a diode-connection transistor and an initialization transistor both connected between the drive transistor and a corresponding one of the initialization lines.Type: GrantFiled: October 2, 2019Date of Patent: April 15, 2025Assignee: SHARP KABUSHIKI KAISHAInventor: Takayuki Nishiyama
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Patent number: 12277898Abstract: A luminance compensation method includes the following steps. Temperature data of a display is received. A gamma correction table is obtained. Multiple gamma adjustment points are generated according to the temperature data and the gamma correction table. A gamma correction curve is generated according to the gamma adjustment points. The display displays an image according to the gamma correction curve.Type: GrantFiled: September 8, 2023Date of Patent: April 15, 2025Assignee: AUO CORPORATIONInventors: Shin-Ru Lin, Yi-Fu Ou
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Patent number: 12272333Abstract: A tiling display apparatus includes a set board configured to generate a control command signal and a plurality of display modules connected to one another through a first interface circuit based on a serial communication scheme, for executing a target operation corresponding to the control command signal, and the first interface circuit is implemented with a bidirectional serial interface having a feedback loop type between adjacent display modules of the plurality of display modules.Type: GrantFiled: February 8, 2024Date of Patent: April 8, 2025Assignee: LG Display Co., Ltd.Inventors: Ho Bum Lee, Dae Sung Park, Tae Gung Kim
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Patent number: 12272300Abstract: A display device can operate in a first mode for displaying at least a first image including first frames based on a first driving frequency, or in a second mode for displaying a second image including second frames based on a second driving frequency different from the first driving frequency. Further, when the first image displayed on the display panel operating in the first mode is changed to a third image, at least one frame among third frames running after the first image has been displayed among the plurality of frames displaying the third image operates at the second driving frequency based on the second mode. Also, in the first mode, the second image includes reset frames for periodically resetting a voltage of an anode electrode between refresh frames for supplying at least one data signal to at least one of the plurality of pixels for a preset time.Type: GrantFiled: November 13, 2023Date of Patent: April 8, 2025Assignee: LG DISPLAY CO., LTD.Inventors: HyunKyo Lim, Dongsup Sim
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Patent number: 12271093Abstract: A display panel and a display device are provided. The display panel includes a substrate; a light-emitting layer disposed on the substrate; a plurality of separating plates disposed on the light-emitting layer; an encapsulation layer disposed on the plurality of separating plate; and a viewing angle switching assembly disposed in the accommodating cavity. The substrate, the plurality of separating plates, and the encapsulation layer define an accommodating cavity. The viewing angle switching assembly includes a sidewall electrode disposed on the separating plate and charged particles having a first electrical polarity disposed in the accommodating cavity. In a private protection mode, the sidewall electrode has a second electrical polarity opposite to the first electrical polarity.Type: GrantFiled: November 3, 2022Date of Patent: April 8, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Wenlong Ye, Wei Cheng
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Patent number: 12272293Abstract: A display apparatus can include a display panel configured to display an image, a driver configured to drive the display panel, a controller configured to control driver, and a memory controlled by the controller. The controller performs a calibration operation during an idle period of the memory.Type: GrantFiled: November 20, 2023Date of Patent: April 8, 2025Assignee: LG DISPLAY CO., LTD.Inventors: Young Il Choi, Dae Hyeon Park
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Patent number: 12272284Abstract: Provided display panel includes a pixel circuit and a light emitting element. The pixel circuit includes a drive module, and a bias adjustment module; the drive module includes a drive transistor; and the bias adjustment module is configured to provide a bias adjustment signal to a first pole of the drive transistor or a second pole of the drive transistor. Operation modes of the display panel include a first mode and a second mode, and a brightness level of the display panel in the first mode is greater than a brightness level of the display panel in the second mode. The bias adjustment signal in the first mode is Vs1 and the bias adjustment signal in the second mode is Vs2, and where Vs1?Vs2.Type: GrantFiled: December 4, 2023Date of Patent: April 8, 2025Assignee: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.Inventors: Yuheng Zhang, Jiemiao Pan
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Patent number: 12272295Abstract: Provided is a pixel circuit. The pixel circuit includes a data writing circuit, a light-emission adjusting circuit, a light-emission control circuit, and a light-emission driving circuit; wherein the data writing circuit is coupled to a gate signal terminal, a first data signal terminal and a first node; the light-emission adjusting circuit is coupled to a target signal terminal, the first node and a second node; the light-emission control circuit is coupled to the second node, a reference signal terminal, a light-emission control signal terminal and a third node; the light-emission driving circuit is coupled to the third node, the gate signal terminal, a first power supply terminal, a second data signal terminal and a light-emitting element.Type: GrantFiled: June 8, 2021Date of Patent: April 8, 2025Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Ning Cong, Minghua Xuan, Can Zhang, Xiaochuan Chen, Lijun Yuan, Qi Qi, Can Wang, Jinfei Niu
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Patent number: 12272331Abstract: The present disclosure relates to a display apparatus and control method thereof. The display apparatus includes a receiver configured to receive input image data, an accumulator configured to generate a cumulative data count by analyzing a degree of degradation according to the received input image data and a burn-in factor, an interpolator configured to update the cumulative data count in a memory by applying an adaptive weight to the generated cumulative data count, and a compensator configured to generate compensation data using the input image data and the updated cumulative data count.Type: GrantFiled: December 12, 2023Date of Patent: April 8, 2025Assignee: LX SEMICON CO., LTD.Inventors: Jae Chan Cho, Jun Young Park, Seul Gi Lee, Ji Won Lee
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Patent number: 12272320Abstract: A transparent display apparatus includes a display layer provided in a display region where a first substrate, a second substrate, and a display layer overlap, and a controller controlling a state of pixels of the display layer, an image displayed in the display region from a first surface side of the first substrate and a background on the first surface side are visible, and the controller controls state of first lighting, which lightens an inside of a first space, in causing the display layer to display the image toward a first user in the first space on the first surface side.Type: GrantFiled: January 5, 2024Date of Patent: April 8, 2025Assignee: Japan Display Inc.Inventor: Makoto Miyao
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Patent number: 12272334Abstract: The present disclosure relates to a method of calibrating luminance of a display panel and can accurately derive a calibration value for luminance of the display panel through a first luminance calibration step of calibrating the display panel using a first calibration value derived after the display panel is driven with a first grayscale value and a second luminance calibration step of calibrating the display panel using a second calibration value derived after the display panel calibrated using the first calibration value is driven with a second grayscale value.Type: GrantFiled: December 18, 2023Date of Patent: April 8, 2025Assignee: LG Display Co., Ltd.Inventor: Hyeonju Park
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Patent number: 12272323Abstract: A computing device may determine a first illumination value based on a first sub-area of an image of a display. The display may include LED zones. The first sub-area may be centered on the image. The computer may define a plurality of second sub-areas of the image based on the LED zones, determine second illumination values of the second sub-areas, compare the second illumination values to a value range, the value range being defined by at least one of an addition and a subtraction of the first illumination value and a threshold value, and actuate the display based on comparing the second illumination values to the value range.Type: GrantFiled: May 31, 2024Date of Patent: April 8, 2025Assignee: Ford Global Technologies, LLCInventors: Dongwoo Kim, Mark Larry, Biaohe Guo
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Patent number: 12266316Abstract: The present disclosure relates to a data driving circuit and a display device including the same, and the data driving circuit includes a plurality of data input terminals to which pixel data of an input image is input, and a plurality of voltage input terminals to which gamma tab voltages for each color having different voltage levels, and common gamma tab voltages having different voltage levels are each input. When the input image includes pixel data having different grayscale values for each color, a data voltage of a corresponding color is changed when any one of the gamma tab voltages for each color is changed, and data voltages of all colors are changed when any one of the common gamma tab voltages is changed.Type: GrantFiled: November 18, 2022Date of Patent: April 1, 2025Assignee: LG Display Co., Ltd.Inventors: Kyu Jin Kim, Bo Yun Jung
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Patent number: 12266319Abstract: A display apparatus includes: an external input port which is connectable with an external apparatus; a power supply; a display; and at least one processor configured to: obtain first power consumed in the display based on brightness information of the display, determine second power suppliable to the external input port based on the first power consumed and supply power of the power supply, receive information about third power that is configured to supply power to an external apparatus connected to the external input port from the external apparatus, determine fourth power supplied to the external input port based on the second power and the information about the third power, determine an over current protection (OCP) value based on the fourth power, and stop power supply to the external apparatus based on a current value supplied to the external input port exceeding the OCP value.Type: GrantFiled: October 26, 2023Date of Patent: April 1, 2025Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Doyoung Kim, Battushig Ganbold, Seungik Kim, Heehyo Yang
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Patent number: 12267929Abstract: A lighting control method is provided for an ambient lighting device having an ambient lamp including at least one lighting strip, which includes a plurality of lamp beads arranged into a display frame. The method includes starting the ambient lamp and a camera; reading preset frame configuration information, and dividing the display frame into a plurality of unit frames according to the frame configuration information; reading an environment reference image captured by the camera, and dividing the environment reference image into a plurality of regional images corresponding to the plurality of unit frames according to the frame configuration information; and generating a lighting color value corresponding to each lamp bead in each unit frame, based on a main color tone of the regional image corresponding to the unit frame, and controlling the corresponding lamp beads covered by the unit frame with the lighting color value to emit light.Type: GrantFiled: October 25, 2024Date of Patent: April 1, 2025Assignee: Shenzhen Intellirocks Tech. Co., Ltd.Inventors: Qiang Li, Wenlong Wu
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Patent number: 12260332Abstract: An image captured using a sensor on a vehicle is received and decomposed into a plurality of component images. Each component image of the plurality of component images is provided as a different input to a different layer of a plurality of layers of an artificial neural network to determine a result. The result of the artificial neural network is used to at least in part autonomously operate the vehicle.Type: GrantFiled: July 17, 2023Date of Patent: March 25, 2025Assignee: Tesla, Inc.Inventors: Timofey Uvarov, Brijesh Tripathi, Evgene Fainstain
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Patent number: 12259558Abstract: An optical sensor includes a light source emitting signal light, a light sensing element on an optical path of the signal light, and a photoelectric conversion element on a side of the light sensing element away from the light source. The light sensing element is used to receive ambient light and the signal light on one side and transmit an incident light on another side, wherein a transmittance of the light sensing element changes according to an intensity of the ambient light to adjust an intensity of the incident light transmitted from the light sensing element. The photoelectric conversion element is configured to receive the incident light transmitted from the light sensing element, and to output a voltage modulation signal according to the incident light. A glasses is also provided.Type: GrantFiled: January 8, 2024Date of Patent: March 25, 2025Assignees: Asphetek Solution (Chengdu) Ltd., ADVANCED OPTOELECTRONIC TECHNOLOGY, INC., Asphetek Solution Inc.Inventors: Yuan-Ting Liang, Chung-Wu Liu, Yi-Huan Chou, I-Ming Cheng
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Patent number: 12260816Abstract: Provided are a pixel circuit, a driving method and a display apparatus, including: a light emitting device; a driving transistor, configured to produce a current for driving the light emitting device to emit light according to a data voltage; a voltage control circuit, coupled to the driving transistor, wherein the voltage control circuit is configured to reset the driving transistor (M0) and input the data voltage in response to a loaded signal; and a light emitting control circuit, coupled to the driving transistor and the light emitting device, wherein the light emitting control circuit is configured to provide the current produced by the driving transistor to the light emitting device; wherein a frequency of resetting the driving transistor is not less than a frequency of inputting the data voltage.Type: GrantFiled: January 29, 2022Date of Patent: March 25, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yi Zhang, Ming Hu, Huijuan Yang, Tingliang Liu, Kai Zhang, Haijun Qiu, Youngyik Ko, Tinghua Shang, Biao Liu
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Patent number: 12260791Abstract: A display device includes a display layer including an active area in which a plurality of pixels is arranged and a peripheral area located adjacent to the active area. The display layer includes a transistor disposed in the active area and including a gate, a source, and a drain, a first crack line disposed in the peripheral area and surrounding a portion of the active area in a plan view, and a second crack line disposed in the peripheral area under the first crack line. The first crack line is insulated from the second crack line.Type: GrantFiled: December 29, 2022Date of Patent: March 25, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ahnho Jee, Sang-Woo Park, Sungho Cho
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Patent number: 12260594Abstract: The present application discloses an image processing device and method, and relates to the technical field of color calibration.Type: GrantFiled: December 27, 2022Date of Patent: March 25, 2025Assignees: Haining ESWIN IC Design Co., Ltd., Beijing ESWIN Computing Technology Co., Ltd.Inventors: Qingchun Liu, Haixia Xu
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Patent number: 12243466Abstract: The present disclosure provides an electronic device and a driving method thereof. The electronic device includes a pixel compensation circuit and a display panel. The pixel compensation circuit receives a pixel signal. The pixel signal includes multiple sub-pixel gray-scale values. The pixel compensation circuit compensates the sub-pixel gray-scale value according to the difference between the sub-pixel gray-scale values and the first threshold value to output an adjusted pixel signal. The display panel displays an image screen according to the adjusted pixel signal.Type: GrantFiled: January 15, 2023Date of Patent: March 4, 2025Assignee: Innolux CorporationInventors: Yao-Lien Hsieh, Chien-Hung Chan, Meng-Chang Tsai, Chan-Feng Chiu
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Patent number: 12243460Abstract: Provided display panel includes a pixel circuit and a light emitting element. The pixel circuit includes a drive module including a drive transistor, and a bias adjustment module configured to provide a bias adjustment signal to a first pole or a second pole of the drive transistor. Data refresh frequencies of the display panel include a first data refresh frequency F1 and a second data refresh frequency F2, where F1>F2. At the first data refresh frequency F1, the bias adjustment signal is Vf1, and at the second data refresh frequency F2, the bias adjustment signal is Vf2, where Vf1?Vf2; or, at the first data refresh frequency F1, a duration of a bias adjustment stage in one data refresh period is T1, and at the second data refresh frequency F2, a duration of a bias adjustment stage in one data refresh period is T2, where T1?T2.Type: GrantFiled: December 4, 2023Date of Patent: March 4, 2025Assignee: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.Inventors: Yuheng Zhang, Jiemiao Pan
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Patent number: 12236833Abstract: A flicker debugging method and device for a display panel. The flicker debugging method for a display panel includes acquiring multiple display brightness data of the display panel in a preset time period; processing the multiple display brightness data to obtain a time-domain signal of the multiple display brightness data that is continuous in a time domain; determining the flicker degree parameter of the display panel according to the change rates of the display brightness data in multiple first time periods in the time-domain signal of the multiple display brightness data, where the duration of each first time period is determined according to the visual persistence time of a human eye, and the duration of the preset time period is greater than the duration of each first time period; and determining whether to debug the display panel according to the flicker degree parameter.Type: GrantFiled: September 22, 2023Date of Patent: February 25, 2025Assignee: HEFEI VISIONOX TECHNOLOGY CO., LTD.Inventors: Tonghai Liu, Zhenkun Yu
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Patent number: 12236876Abstract: A display device includes a first transistor controlled using a second control signal obtained by shifting a first control signal and electrically connected between an image data signal line and a first node, a second transistor electrically connected between the first node and a second node, a third transistor controlled using the first control signal and electrically connected between the second node and a gate electrode of the second transistor, a fourth transistor controlled using a fourth control signal obtained by shifting a third control signal and electrically connected between a driving power supply line and the second node, a fifth transistor controlled using the third control signal and electrically connected to the first node, a sixth transistor controlled using the third control signal and electrically connected to a light emitting element and a first electrode of the fifth transistor, and the light emitting element connected to the first electrode.Type: GrantFiled: November 2, 2023Date of Patent: February 25, 2025Assignee: Japan Display Inc.Inventor: Tetsuo Morita
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Patent number: 12236910Abstract: A display device includes a display panel comprising a display region for displaying an image, a light source device comprising a plurality of light sources configured to emit light toward the display panel, and a drive circuit configured to drive the display panel based on an image signal including information on the image.Type: GrantFiled: November 28, 2023Date of Patent: February 25, 2025Assignee: Japan Display Inc.Inventors: Kazuhiko Sako, Yoshihiro Watanabe, Tomoyuki Ishihara