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公开(公告)号：US20220320394A1
公开(公告)日：2022-10-06
申请号：US17449058
申请日：2021-09-27
发明人： Xaiwei Yun , Chenchang Chen , Wenchieh Huang , Bo Gao , Xuehai Qian , Meiling Jin , Wenjia Sun , Xiaozhou Liu
IPC分类号： H01L33/62 , H01L25/075 , H01L33/50 , H01L33/00
摘要： A miniature light emitting diode chip, a display substrate and a manufacturing method thereof, and a display device are provided. The miniature light emitting diode chip includes: a substrate, including a first side and a second side; a first contact portion and a plurality of contact portions; and a plurality of miniature light emitting diodes. The miniature light emitting diodes each include a first electrode and a second electrode. An orthographic projection of a combination of the plurality of miniature light emitting diodes and a spacing between any two of the plurality of miniature light emitting diodes falls within the substrate. The first electrode of each of the plurality of miniature light emitting diodes is electrically connected to the first contact potion, and the second electrode of each of the plurality of miniature light emitting diodes is electrically connected to the plurality of second contact portions, respectively.
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公开(公告)号：US20220309996A1
公开(公告)日：2022-09-29
申请号：US17290146
申请日：2020-09-10
发明人： Wenchieh Huang , Lingyun Shi , Ming Chen , Xue Dong
IPC分类号： G09G3/32
摘要： An electronic substrate and a driving method thereof, and a display device. The electronic substrate includes a pixel drive chip which includes at least one signal terminal, a signal generation circuit, a data storage circuit, and an output circuit; at least one signal terminal is configured to be electrically connected to the light-emitting element; the signal generation circuit is connected to at least one signal terminal and configured to receive an input signal through the at least one signal terminal and generate a clock signal according to the input signal; the data storage circuit is configured to receive the clock signal and store the input signal according to the clock signal; and the output circuit is configured to output a current, which is generated according to the stored input signal and used for driving the light-emitting element, though at least one signal terminal.
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公开(公告)号：US11322076B2
公开(公告)日：2022-05-03
申请号：US17418585
申请日：2020-10-21
发明人： Lingyun Shi , Wenchieh Huang , Ming Chen , Xue Dong , Haiwei Sun , Xiurong Wang , Qibing Gu , Guofeng Hu
IPC分类号： G09G3/32
摘要： A pixel driving chip and a driving method therefor, and a display apparatus. The pixel driving chip includes a data input circuit, a time selection circuit, and a current control circuit; the data input circuit is configured to receive display data, and partition the display data to obtain a data partition to which the display data belongs in M data partitions that are obtained on the basis of a display data range; the time selection circuit is configured to determine, according to the data partition to which the display data belongs, an output time length corresponding to the display data, and within the output time length, output the display data to the current control circuit; the current control circuit is configured to determine, according to the display data, a driving current flowing through a light emitting element corresponding to the display data.
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公开(公告)号：US12073763B2
公开(公告)日：2024-08-27
申请号：US18245040
申请日：2022-05-23
发明人： Qibing Gu , Guofeng Hu , Xiuling Li , Bao Fu , Wenchieh Huang , Lingyun Shi , Ming Chen
CPC分类号： G09G3/2092 , G09G3/32 , H01L25/167 , H01L27/124 , G09G2300/0408 , G09G2310/08 , G09G2320/064 , G09G2330/021
摘要： A pixel unit includes N light-emitting devices and a pixel driving chip. The pixel driving chip includes: a data signal terminal used to receive a data signal; a power supply signal terminal used to receive a power supply signal; and N signal channel terminals being in one-to-one correspondence with the N light-emitting devices. A first electrode of a first light-emitting device in the N light-emitting devices is configured to be coupled to the power supply signal terminal, a second electrode of an n-th light-emitting device in the N light-emitting devices is coupled to a first electrode of an (n+1)-th light-emitting device and an n-th signal channel terminal in the N signal channel terminals; N is a positive integer greater than 1, and n is a positive integer greater than or equal to 1 and less than or equal to N.
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公开(公告)号：US12062327B2
公开(公告)日：2024-08-13
申请号：US18044664
申请日：2021-01-08
发明人： Xiuling Li , Qibing Gu , Guofeng Hu , Hongge Mei , Nana Gao , Bao Fu , Xiangyi Chen , Lingyun Shi , Wenchieh Huang
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G2300/0452 , G09G2310/0202 , G09G2310/08
摘要： An array substrate and a driving method therefor, and a display apparatus are disclosed. The array substrate includes: a base substrate; and a plurality of pixels located on the base substrate, where the plurality of pixels are arranged in an array in a first direction and a second direction. At least one pixel of the plurality of pixels includes: sub-pixels, and a pixel driving chip for driving each sub-pixel in the pixel. The array substrate further includes: a plurality of addressing signal lines located on the base substrate, where the addressing signal lines are coupled to addressing signal ends of pixel driving chips of a row of the pixels arranged in the first direction; and a plurality of data lines located on the base substrate, where the data lines are coupled to data signal ends of pixel driving chips of a column of the pixels arranged in the second direction.
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公开(公告)号：US11735101B2
公开(公告)日：2023-08-22
申请号：US17290146
申请日：2020-09-10
发明人： Wenchieh Huang , Lingyun Shi , Ming Chen , Xue Dong
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G2300/0408 , G09G2310/0286 , G09G2310/0297 , G09G2310/08 , G09G2320/0223 , G09G2330/026
摘要： An electronic substrate and a driving method thereof, and a display device. The electronic substrate includes a pixel drive chip which includes at least one signal terminal, a signal generation circuit, a data storage circuit, and an output circuit; at least one signal terminal is configured to be electrically connected to the light-emitting element; the signal generation circuit is connected to at least one signal terminal and configured to receive an input signal through the at least one signal terminal and generate a clock signal according to the input signal; the data storage circuit is configured to receive the clock signal and store the input signal according to the clock signal; and the output circuit is configured to output a current, which is generated according to the stored input signal and used for driving the light-emitting element, though at least one signal terminal.
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公开(公告)号：US11450288B2
公开(公告)日：2022-09-20
申请号：US16963302
申请日：2019-09-23
发明人： Yan Yang , Chinghua Hung , Rui Liu , Wei Sun , Ming Chen , Wenchieh Huang
IPC分类号： G09G3/36
摘要： A display driving method includes: controlling a source driver to output a data signal, wherein the data signal comprises a plurality of first active pulse signals, the first active pulse signal in the Nth row is for driving a sub-pixel unit in the Nth row, and a timing difference between a starting point of the first active pulse signal in the Nth row and a starting point of a corresponding gate drive signal is smaller than a timing difference between a starting point of the first active pulse signal in the (N+M)th row and a starting point of a corresponding gate drive signal; and wherein the sub-pixel unit in the Nth row is closer to the source driver than the sub-pixel unit in the (N+M)th row, and N and M are positive integers greater than or equal to 1.
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公开(公告)号：US11852921B2
公开(公告)日：2023-12-26
申请号：US17310849
申请日：2020-03-27
发明人： Yanhui Xi , Tiankuo Shi , Yan Sun , Xiaomang Zhang , Yifan Hou , Xin Duan , Wei Sun , Ming Chen , Wenchieh Huang , Shaoru Zhang
IPC分类号： G02F1/1335 , G02F1/13 , G09G5/10
CPC分类号： G02F1/133607 , G02F1/1323 , G09G5/10 , G09G2320/0626
摘要： An alignment deviation detection method and apparatus of a display panel, a data compensation method and apparatus. The method includes: providing a first data signal for causing the dimming screen to display an alignment dimming picture including a first alignment pattern; providing a second data signal for causing the display screen to display an alignment display picture including a second alignment pattern; under a control of the first data signal, making the dimming screen display the alignment dimming picture, and under a control of the second data signal, making the display screen display the alignment display picture; according to a display situation of the second alignment pattern, determining an alignment state between the display screen and the dimming screen. An orthographic projection of the second alignment pattern on the dimming screen is preset to be at least partially aligned with and at least partially deviated from the first alignment pattern.
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公开(公告)号：US11570867B2
公开(公告)日：2023-01-31
申请号：US17364679
申请日：2021-06-30
发明人： Wei Hao , Lingyun Shi , Wenchieh Huang , Feifei Wang , Wengang Su , Rui Shi , Xingce Shang , Junwei Zhang , Kaimin Yin , Qibing Gu , Lili Jia , Xiurong Wang
摘要： A method of controlling a driving circuit applicable to a light-emitting substrate which includes a light-emitting assembly including a plurality of light-emitting-element strings connected in parallel, each of the plurality of light-emitting strings comprising a plurality of light-emitting-elements connected in series, the driving circuit connected to the plurality of light-emitting-element strings via a wiring, wherein the method comprises: obtaining a wiring IR drop, a light-emitting element string IR drop, a voltage deviation, and a channel IR drop; obtaining a target power supply voltage according to the wiring IR drop, the light-emitting element string IR drop, the voltage deviation, and the channel IR drop; comparing the target power supply voltage with an output voltage to obtain a comparison result; generating an adjustment signal according to the comparison result; and adjusting the output voltage according to the adjustment signal. A driving circuit and a light-emitting substrate are further provided.
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公开(公告)号：US11328650B2
公开(公告)日：2022-05-10
申请号：US16960137
申请日：2019-09-30
发明人： Yan Yang , Chinghua Hung , Wenchieh Huang , Rui Liu , Wei Sun , Ming Chen
IPC分类号： G09G3/20
摘要： A driver, a display device, and an optical compensation method thereof are provided. The display panel includes sub-pixels arranged in an array. The method includes: receiving an initial gray level of each sub-pixel of a picture to be displayed; determining whether each sub-pixel satisfies a preset determination condition based on the initial gray level of each sub-pixel; if an absolute value of a difference between the initial gray levels of two sub-pixels electrically connected to a same data line and located in two adjacent rows is greater than a preset threshold, it is determined that a sub-pixel in a next row satisfies the preset determination condition; and, in response to determining that a sub-pixel satisfies the preset determination condition, acquiring a first compensation parameter of the sub-pixel, and compensating the initial gray level of the sub-pixel based on the acquired first compensation parameter.
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