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公开(公告)号：US12112673B2
公开(公告)日：2024-10-08
申请号：US17796660
申请日：2021-06-10
发明人： Chongyang Zhao , Yingmeng Miao , Zhihua Sun , Feng Qu , Xiaochun Xu
CPC分类号： G09G3/20 , G11C19/28 , G09G2300/0408 , G09G2310/0202 , G09G2310/0286
摘要： The present disclosure provides a display panel and a display device. The display panel includes p pixel unit groups, and each of the p pixel unit groups includes q rows of pixel units, both p and q being integers greater than or equal to 2. Pixel units in a same group are simultaneously supplied with a gate scan signal by a same shift register, and pixel units in a same group and in a same column are supplied with data voltage signals through different data lines, respectively.
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公开(公告)号：US12106709B2
公开(公告)日：2024-10-01
申请号：US18364459
申请日：2023-08-02
申请人： NICHIA CORPORATION
发明人： Hajime Akimoto
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G2300/0426 , G09G2300/0814 , G09G2310/0202 , G09G2320/0257 , G09G2320/043 , G09G2330/028
摘要： An image display device includes a plurality of driving circuits disposed on a substrate, and a plurality of light emitting elements corresponding to a plurality of pixels respectively. Each of the plurality of driving circuits being configured to provide a driving current to each of the plurality of light emitting elements and to control the driving current by a pulse amplitude modulation and a pulse width modulation. The driving circuit being configured using TFTs.
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公开(公告)号：US12100339B1
公开(公告)日：2024-09-24
申请号：US18196415
申请日：2023-05-11
发明人： Yi-Yang Tsai , Po-Hsiang Fang , Jhih-Siou Cheng
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G2310/0202 , G09G2310/0208 , G09G2310/0267 , G09G2310/08
摘要： A method of scanning a display panel having a plurality of rows of pixels includes steps of: generating a first accumulated number; calculating a first scan number according to the first accumulated number; scanning a present row of pixels having the first scan number among the plurality of rows of pixels; accumulating the first accumulated number to generate a second accumulated number; calculating a second scan number according to the second accumulated number; and scanning a next row of pixels having the second scan number among the plurality of rows of pixels after scanning the present row of pixels. Wherein, the plurality of rows of pixels are scanned in a scan order different from a numbering order of the plurality of rows of pixels.
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公开(公告)号：US20240312381A1
公开(公告)日：2024-09-19
申请号：US18674165
申请日：2024-05-24
发明人： Jinyoung ROH , HongSoo KIM , Sangan KWON , Sehyuk PARK , Hyo Jin LEE
IPC分类号： G09G3/20
CPC分类号： G09G3/20 , G09G2310/0202 , G09G2310/0267 , G09G2310/027 , G09G2320/0247 , G09G2320/10 , G09G2330/023
摘要： A display apparatus includes a display panel, a gate driver, a data driver and a driving controller. The display panel including a gate line and a data line displays an image based on input image data. The gate driver outputs a gate signal to the gate line. The data driver outputs a data voltage to the data line. The driving controller includes an area divider dividing the input image data into first and second area data, a first variable frequency driver determining a first driving frequency of the first area data based on a flicker value according to a grayscale value and generating a first data signal of the first driving frequency and a second variable frequency driver determining a second driving frequency of the second area data based on a flicker value according to a grayscale value and generating a second data signal of the second driving frequency.
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公开(公告)号：US12094421B2
公开(公告)日：2024-09-17
申请号：US18132725
申请日：2023-04-10
发明人： Jaekeun Lim , Bon-Seog Gu , Taehoon Kim , Jinyoung Roh , Hae-Kwan Seo
IPC分类号： G09G3/3266 , G09G3/3233
CPC分类号： G09G3/3266 , G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/0202 , G09G2310/0286 , G09G2310/08 , G09G2320/02 , G09G2330/021
摘要： A scan driver includes a control unit, a first output unit, a second output unit, and a masking control unit. The control unit outputs a first control signal to a first control node and outputs a second control signal to a second control node. The first output unit is connected to the first control node, a first output terminal, and a first voltage terminal, and operates in response to the first control signal. The second output unit is connected to the second control node, the first output terminal, and a second voltage terminal, and operates in response to the second control signal. The masking control unit is connected between an input terminal, to which a clock signal is input, and the first control node and controls a voltage level of the first control signal in response to a masking enable signal.
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公开(公告)号：US20240256070A1
公开(公告)日：2024-08-01
申请号：US18632987
申请日：2024-04-11
申请人： Japan Display Inc.
发明人： Koji Noguchi , Yoshitoshi Kida , Kohei Azumi
CPC分类号： G06F3/0412 , G06F3/04166 , G06F3/0418 , G06F3/04184 , G06F3/0445 , G06F3/0446 , G06F3/047 , G09G3/36 , G09G3/3677 , G09G5/003 , G09G5/18 , G09G3/3685 , G09G2300/0426 , G09G2310/0202 , G09G2310/0297 , G09G2310/08
摘要： A display device is provided and includes signal line; pixel electrode; drive electrode opposed to pixel electrode; scanning lines; and display periods and a detection period in frame, wherein during one of display periods, common voltage is applied to drive electrode, scanning signal is applied to some scanning lines, pixel signal is applied to pixel electrode, wherein, during detection period, AC drive or pulse signal is applied to drive electrode, AC drive or pulse signal having pulses, wherein pulses during the detection period is less than number of some of scanning signal lines.
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公开(公告)号：US12039914B2
公开(公告)日：2024-07-16
申请号：US17979064
申请日：2022-11-02
发明人： Kye Uk Lee , Jung Hwan Hwang , Hyun Joon Kim
IPC分类号： G09G3/32 , H01L25/075 , H01L27/12 , H01L33/62
CPC分类号： G09G3/32 , H01L25/0753 , H01L27/1244 , H01L33/62 , G09G2300/0408 , G09G2300/0413 , G09G2300/0426 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2300/0871 , G09G2310/0202 , G09G2310/0272 , G09G2320/02 , G09G2320/064 , G09G2330/02 , G09G2330/12
摘要： A display device includes a substrate including a display area in which a plurality of sub-pixels are disposed, a plurality of anode electrodes respectively connected to the plurality of sub-pixels, and a cathode electrode connected to the plurality of sub-pixels and spaced apart from each of the plurality of anode electrodes. Each of the plurality of anode electrodes is disposed closer to the substrate than the cathode electrode by a height difference compensation part.
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公开(公告)号：US12027121B2
公开(公告)日：2024-07-02
申请号：US18105896
申请日：2023-02-06
发明人： Hae-Kwan Seo , Jinyoung Roh , Youngha Sohn
IPC分类号： G09G3/3233
CPC分类号： G09G3/3233 , G09G2300/0413 , G09G2300/0426 , G09G2300/0452 , G09G2300/0819 , G09G2300/0842 , G09G2310/0202 , G09G2310/0272 , G09G2330/021 , G09G2340/06
摘要： A display panel includes a plurality of first pixel parts disposed in a first row, a plurality of second pixel parts disposed in a second row and including a first pixel part that includes a first pixel circuit and a first light emitting element which are electrically separated from each other, and a second pixel part that includes a second pixel circuit and a second light emitting element which are electrically separated from each other. The first light emitting element of the first pixel part is electrically connected to the second pixel circuit of the second pixel part.
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公开(公告)号：US12008973B2
公开(公告)日：2024-06-11
申请号：US17374183
申请日：2021-07-13
申请人： Japan Display Inc.
发明人： Nobuyuki Ishige
IPC分类号： G09G3/36 , G02F1/1345
CPC分类号： G09G3/3677 , G02F1/1345 , G02F2201/56 , G09G2300/0408 , G09G2310/0202 , G09G2310/0286
摘要： An area of a region arranged on one side of a display region in a direction in which scanning lines extend is reduced. A display apparatus has a scanning line driving circuit and a plurality of scanning lines. The scanning line driving circuit is provided in a region arranged along a side portion on the positive side in the X-axis direction in a display region of a substrate. The scanning line driving circuit includes a plurality of transfer circuits connected to the plurality of scanning lines, respectively. Among the plurality of transfer circuits, the shape of one transfer circuit is different from the shape of another transfer circuit arranged on the negative side of the one transfer circuit in the Y-axis direction.
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公开(公告)号：US11996027B2
公开(公告)日：2024-05-28
申请号：US18306464
申请日：2023-04-25
申请人： WUHAN TIANMA MICRO-ELECTRONICS CO., LTD. , Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
发明人： Xingyao Zhou , Yana Gao , Kang Yang , Wei Liu , Qijun Yao
IPC分类号： G09G3/3258 , G09G3/20 , G09G3/3233
CPC分类号： G09G3/20 , G09G3/3233 , G09G2300/0842 , G09G2310/0202 , G09G2310/08 , G09G2320/0233 , G09G2320/0247 , G09G2330/021 , G09G2340/00
摘要： A display device including a display panel having a display area. The display panel includes pixel circuits located in the display area. Each pixel circuit includes a driving transistor and a voltage regulating module that is configured to adjust a node voltage of the driving transistor by a voltage provided by one voltage regulating signal line of voltage regulating signal lines. The pixel circuits have data refresh frequencies including first and second frequencies. The first frequency is greater than the second frequency. When one pixel circuit performs data refreshing at the first frequency, one voltage regulating signal line is configured to provide a first voltage, and when one pixel circuit performs data refreshing at the second frequency, one voltage regulating signal line is configured to provide a second voltage not equal to the first voltage.
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