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公开(公告)号：US12073792B2
公开(公告)日：2024-08-27
申请号：US17762347
申请日：2021-05-26
Applicant: BOE Technology Group Co., Ltd.
Inventor： Fei Yang , Song Meng , Zhiqiang Dong , Yi Chen , Jingbo Xu , Jianbo Xian
IPC: G09G3/3258 , G09G3/3291
CPC classification number: G09G3/3258 , G09G3/3291 , G09G2310/027 , G09G2320/045 , G09G2320/0693 , G09G2330/028
Abstract: A data driving integrated circuit includes a digital-to-analog converter configured to receive a respective digital data signal from a timing controller and convert the respective digital data signal to a respective analog data signal, which is output to a display panel through a respective data line; an analog-to-digital converter configured to receive a respective analog sensing signal from a respective sensing line in the display panel and convert respective analog sensing signal to a respective digital sensing signal, which is output to the timing controller; a first sensing switch configured to control a connection between a first reference voltage line and the respective sensing line; a second sensing switch configured to control a connection between a second reference voltage line and the respective sensing line; and a third sensing switch configured to control the connection between the analog-to-digital converter and the respective sensing line.
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2.发明授权公开(公告)号：US09568820B2
公开(公告)日：2017-02-14
申请号：US14890832
申请日：2015-05-21
Inventor： Qingde Long , Jiawei Ren , Danhui Li , Bin Gao , Degang Zhao , Zhiyong Zhang , Yi Chen , Changyu Fu , Xuejie Bai
IPC: G02B5/20 , G02F1/1335 , G03F7/00 , G03F7/20
CPC classification number: G03F7/0007 , G02B5/201 , G02F1/133516 , G03F7/20 , G03F7/2008 , G03F7/2022
Abstract: A method for manufacturing color filter, a color filter, and a display device including the color filter are disclosed. The method for manufacturing a color filter includes: forming a black matrix on a transparent substrate; forming a photosensitive resist layer on the transparent substrate with the black matrix; disposing a reflection sheet capable of reflecting light on a first side of the transparent substrate to be exposed, the first side being provided with the black matrix; disposing a mask on a second side of the transparent substrate to be exposed, the second side being not provided with the black matrix; and carrying out an exposing process from the second side of the transparent substrate.
Abstract translation: 公开了一种制造滤色器的方法，滤色器以及包括滤色器的显示装置。 制造滤色器的方法包括：在透明基板上形成黑色矩阵; 在具有黑色矩阵的透明基板上形成光敏抗蚀剂层; 在所述透明基板的第一面上设置能够反射光的反射片，使所述第一面设置有所述黑色矩阵; 在要曝光的透明基板的第二面上设置掩模，第二面不设置黑色矩阵; 并从透明基板的第二面进行曝光处理。
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公开(公告)号：US20240206249A1
公开(公告)日：2024-06-20
申请号：US17790623
申请日：2021-08-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xing Zhang , Pan Xu , Dacheng Zhang , Ying Han , Guoying Wang , Zhan Gao , Chengyuan Luo , Yi Chen
IPC: H10K59/131 , H10K59/124
CPC classification number: H10K59/131 , H10K59/124
Abstract: Provided is a display panel. The display panel includes: a base substrate, including a display region and a peripheral region adjacent to the display region; a first power trace, disposed in the peripheral region and on a side of the base substrate; a connecting trace, disposed in the peripheral region and on a side of the base substrate; a plurality of signal lines, disposed in the display region and the peripheral region; an insulating layer, disposed in the display region and the peripheral region; and a cathode layer, disposed in the display region and the peripheral region.
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公开(公告)号：US11482171B2
公开(公告)日：2022-10-25
申请号：US17298228
申请日：2020-07-15
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yi Chen , Lirong Wang
IPC: G09G3/3233 , G09G3/3275
Abstract: A display module includes a display panel, a source driving circuit, and a timing control circuit. The display panel includes a plurality of sub-pixels, at least one sense signal line, and at least one reference sense signal line. Each sub-pixel includes a pixel driving circuit including a driving transistor. The source driving circuit includes at least one analog-to-digital conversion sub-circuit. Two input terminals of an analog-to-digital conversion sub-circuit in the at least one analog-to-digital conversion sub-circuit are respectively coupled to at least one sense signal line and one reference sense signal line. The analog-to-digital conversion sub-circuit is configured to receive a sense voltage signal from the sense signal line and a reference voltage signal from the reference sense signal line, to obtain a sensing digital signal in accordance with a voltage difference between the sense voltage signals and the reference voltage signal, and to output the sensing digital signal.
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公开(公告)号：US11024259B2
公开(公告)日：2021-06-01
申请号：US16428429
申请日：2019-05-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Mingi Chu , Fei Yang , Yi Chen , Yu Wang , Lirong Wang
IPC: G09G5/10 , G09G3/20 , G09G3/3208
Abstract: A pixel compensation method, a pixel compensation apparatus and a pixel compensation system are disclosed. The pixel compensation method includes: sampling pixel values of an image to be displayed on a display screen to obtain target sampling data; transmitting the target sampling data; receiving pixel compensation data, wherein the pixel compensation data is determined according to an aging duration of the display screen which is determined based on the target sampling data; and compensating for the pixel values of the image to be displayed on the display screen based on the pixel compensation data. The pixel compensation method includes: receiving target sampling data obtained by sampling pixel values of an image to be displayed on a display screen; determining an aging duration of the display screen based on the target sampling data; determining pixel compensation data based on the aging duration; and transmitting the pixel compensation data.
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Patent Agency Ranking
公开(公告)号：US10825392B2
公开(公告)日：2020-11-03
申请号：US16395715
申请日：2019-04-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: G09G3/3233 , G09G3/00
Abstract: Embodiments of the present disclosure provide a data signal compensation method for a pixel circuit, including: inputting a test signal to the data signal line, and detecting a real-time voltage at the first node after a first preset time elapses; comparing the real-time voltage with a preset voltage, and in response to the real-time voltage being deviated from the preset voltage, adjusting an initial compensation value for a mobility, so as to make the real-time voltage be consistent with the preset voltage, wherein the preset voltage is set by obtaining an initial threshold voltage for the driving transistor; generating a compensation test signal and inputting the compensation test signal to the data signal line; and generating a test signal, inputting the generated test signal to the data signal line, and sensing a first voltage at the first node after a first preset time elapses as the preset voltage.
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公开(公告)号：US20200152154A1
公开(公告)日：2020-05-14
申请号：US16428429
申请日：2019-05-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Mingi Chu , Fei Yang , Yi Chen , Yu Wang , Lirong Wang
IPC: G09G5/10 , G09G3/3208 , G09G3/20
Abstract: A pixel compensation method, a pixel compensation apparatus and a pixel compensation system are disclosed. The pixel compensation method includes: sampling pixel values of an image to be displayed on a display screen to obtain target sampling data; transmitting the target sampling data; receiving pixel compensation data, wherein the pixel compensation data is determined according to an aging duration of the display screen which is determined based on the target sampling data; and compensating for the pixel values of the image to be displayed on the display screen based on the pixel compensation data. The pixel compensation method includes: receiving target sampling data obtained by sampling pixel values of an image to be displayed on a display screen; determining an aging duration of the display screen based on the target sampling data; determining pixel compensation data based on the aging duration; and transmitting the pixel compensation data.
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8.发明申请公开(公告)号：US20200105191A1
公开(公告)日：2020-04-02
申请号：US16395715
申请日：2019-04-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: G09G3/3233 , G09G3/00
Abstract: Embodiments of the present disclosure provide a data signal compensation method for a pixel circuit, including: inputting a test signal to the data signal line, and detecting a real-time voltage at the first node after a first preset time elapses; comparing the real-time voltage with a preset voltage, and in response to the real-time voltage being deviated from the preset voltage, adjusting an initial compensation value for a mobility, so as to make the real-time voltage be consistent with the preset voltage, wherein the preset voltage is set by obtaining an initial threshold voltage for the driving transistor; generating a compensation test signal and inputting the compensation test signal to the data signal line; and generating a test signal, inputting the generated test signal to the data signal line, and sensing a first voltage at the first node after a first preset time elapses as the preset voltage.
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9.发明申请公开(公告)号：US20180211591A1
公开(公告)日：2018-07-26
申请号：US15567834
申请日：2017-05-19
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yi Chen
IPC: G09G3/3225 , H01L27/32
Abstract: An AMOLED display device based ELVDD power supply method and power supply apparatus, and a display device are provided. The method includes: acquiring a data signal of each pixel in one frame of image; comparing a gray scale value corresponding to the data signal of each pixel with at least two threshold gray scale values; taking a minimum threshold gray scale value in the threshold gray scale values greater than the gray scale value corresponding to the data signal of each pixel as a target gray scale value of the pixel; and taking a maximum target gray scale value in the target gray scale values of all pixels as a maximum gray scale value of the one frame of image, and driving the one frame of image by an ELVDD corresponding to the maximum gray scale value.
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10.发明授权公开(公告)号：US09753342B2
公开(公告)日：2017-09-05
申请号：US14550036
申请日：2014-11-21
Inventor： Fujiang Jin , Yi Chen
IPC: H01L27/12 , H01L29/417 , G02F1/1368 , G02F1/1343 , G02F1/1362 , G02F1/1333
CPC classification number: G02F1/136209 , G02F2001/133357 , G02F2001/134372 , G02F2001/136222 , H01L27/1248 , H01L27/1259 , H01L29/41733
Abstract: The invention discloses a color filter array substrate, a display device, and a manufacturing method of the color filter array substrate. The color filter array substrate comprises a substrate, a thin film transistor array formed on the substrate, and a color filter formed on the thin film transistor array, wherein the color filter array substrate further comprises a black matrix formed on the color filter, and a planarization layer formed on the black matrix. In the invention, position of the black matrix in the color filter array substrate is changed, and the planarization layer is formed on the black matrix, so that the black matrix is isolated from the first and second electrode layers, thus the black matrix is effectively prevented from affecting the electric field between the first and second electrode layers.
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