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1. 发明公开

EP4068375A1 DISPLAY SUBSTRATE AND DISPLAY APPARATUS 审中-公开
公开(公告)号：EP4068375A1
公开(公告)日：2022-10-05
申请号：EP19945443.0
申请日：2019-11-29
申请人： BOE Technology Group Co., Ltd. , Hefei Boe Display Technology Co., Ltd.
发明人： WU, Zhongyuan , LI, Yongqian , YUAN, Can , YUAN, Zhidong , ZHANG, Dacheng , LIU, Lang
IPC分类号： H01L27/32 , G09G3/32
摘要： A display substrate and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate. The sub-pixels are arranged in a sub-pixel array in a first direction and a second direction, and at least one sub-pixel includes a storage capacitor. The storage capacitor includes a first capacitor electrode, a second capacitor electrode and a third capacitor electrode, and the second capacitor, the first second capacitor and the third second capacitor are sequentially on the base substrate. The first capacitor electrode has a first capacitor electrode side and a second capacitor electrode side opposite to each other in the second direction, and the second capacitor electrode has a third capacitor electrode side and a fourth capacitor electrode side opposite to each other in the second direction; orthographic projections of the first capacitor electrode side and the second capacitor electrode side on the base substrate are between an orthographic projection of the third capacitor electrode side and an orthographic projection of the fourth capacitor electrode side on the base substrate. The base substrate can effectively improve the display effect.

2. 发明申请

WO2017215229A1 CALIBRATION APPARATUS FOR OLED SUB-PIXEL CIRCUIT, SOURCE ELECTRODE DRIVING CIRCUIT, AND DATA VOLTAGE COMPENSATION METHOD 审中-公开
标题翻译：用于OLED次像素电路的校准装置，源电极驱动电路和数据电压补偿方法
公开(公告)号：WO2017215229A1
公开(公告)日：2017-12-21
申请号：PCT/CN2016/111468
申请日：2016-12-22
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： WU, Zhongyuan
IPC分类号： G09G3/3225 , G09G3/3275
摘要： Disclosed are a calibration apparatus (300) associated with a sub-pixel circuit, a source electrode driving circuit, and a method for compensating data voltage applied to the data line of the sub-pixel circuit associated with a data line and a sense line. The calibration apparatus (300) includes a capacitance measurement circuit (301,603) to output a capacitance measurement voltage (Vout) related to the sense line, a charge sensing circuit (302) to sense a charge voltage on the sense line when the data line is applied with a reference data voltage, and a parameter calibrator (303,604) to calculate parameters of driving transistor (DT) in the sub-pixel circuit based on the capacitance measurement voltage (Vout), the reference data voltage, and the charge voltage, and is configured to determine electrical parameter drifts of the driving transistor (DT) for the source electrode driving circuit to determine a compensation data voltage to compensate non-uniformity of luminance due to the electrical parameter drifts.
摘要翻译：公开了与子像素电路，源电极驱动电路以及用于补偿施加到子像素电路的数据线的数据电压的方法相关联的校准装置（300）一条数据线和一条感应线。校准设备（300）包括：电容测量电路（301,603），用于输出与感测线有关的电容测量电压（Vout）;电荷感测电路（302），用于当数据线是感测线时感测感测线上的电荷电压施加参考数据电压;以及参数校准器（303,604），基于电容测量电压（Vout），参考数据电压和充电电压来计算子像素电路中的驱动晶体管（DT）的参数，以及被配置为确定源极驱动电路的驱动晶体管（DT）的电参数漂移以确定补偿数据电压以补偿由于电参数漂移引起的亮度不均匀性。

3. 发明申请

WO2018205479A1 AN ANALOG-TO-DIGITAL CONVERSION CIRCUIT, A PIXEL COMPENSATION CIRCUIT FOR DISPLAY PANEL, AND METHODS THEREOF 审中-公开
公开(公告)号：WO2018205479A1
公开(公告)日：2018-11-15
申请号：PCT/CN2017/102421
申请日：2017-09-20
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： SONG, Chen , MENG, Song , SONG, Danna , WU, Zhongyuan
IPC分类号： H03M1/10
摘要： The present application discloses an analog-to-digital conversion (ADC) circuit. The circuit includes an integral circuit including an operational amplifier and an integral capacitor. The circuit further includes a comparator and a timer. The operational amplifier includes a positive input terminal configured to receive a first voltage, a negative input terminal coupled to a signal-collection line configured to collect an analog current signal, and an output terminal configured to output a first output signal. The comparator is configured to compare the first output signal with a second voltage to generate a second output signal to the timer. The timer is configured to start a timing operation when the operational amplifier receives the analog current signal and end the timing operation when the second output signal changes. A binary data resulted from the timing operation characterizes a digital signal corresponding to the analog current signal.

4. 发明申请

WO2016155257A1 OLED ARRAY SUBSTRATE, DISPLAY APPARATUS CONTAINING THE SAME, AND METHOD FOR FORMING THE SAME 审中-公开
标题翻译： OLED阵列基板，包含该OLED阵列基板的显示装置及其形成方法
公开(公告)号：WO2016155257A1
公开(公告)日：2016-10-06
申请号：PCT/CN2015/089835
申请日：2015-09-17
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： GAI, Cuili , WU, Zhongyuan , WANG, Longyan , LIU, Xingdong
IPC分类号： H01L27/32
CPC分类号： H01L27/3276 , G09G3/3225 , G09G2330/06 , H01L51/0021 , H01L51/5228 , H01L51/56 , H01L2227/323
摘要： The present disclosure provides an organic light-emitting diode (OLED) array substrate. The OLED array substrate includes a display area with OLEDs arranged in arrays, electrostatic discharge lines, and peripheral electrostatic discharge areas with conductive areas electrically connected to a cathode of the OLEDs and electrically connected to the electrostatic discharge lines through switch modules.
摘要翻译：本公开提供了一种有机发光二极管（OLED）阵列基板。 OLED阵列基板包括具有布置在阵列中的OLED的显示区域，静电放电线路和具有电连接到OLED的阴极并且通过开关模块电连接到静电放电线路的导电区域的外围静电放电区域。

5. 发明申请

WO2019023962A1 PIXEL CIRUIT, ACTIVE MATRIX ORGANIC LIGHT EMITTING DIODE DISPLAY PANEL, DISPLAY APPARATUS, AND METHOD OF COMPENSATING THRESHOLD VOLTAGE OF DRIVING TRANSISTOR 审中-公开
公开(公告)号：WO2019023962A1
公开(公告)日：2019-02-07
申请号：PCT/CN2017/095577
申请日：2017-08-02
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： GAI, Cuili , WU, Zhongyuan , ZHANG, Baoxia , WANG, Ling , LIN, Yicheng , LI, Quanhu , LIU, Fang
IPC分类号： G09G3/32
CPC分类号： G09G3/32
摘要： A pixel circuit in an active matrix organic light-emitting diode (AMOLED) display panel. The pixel circuit includes a first transistor (T1) having a bottom gate (BG) and a top gate (TG), a drain supplied with a high-level power-supply voltage (VDD), and a source coupled to a light-emitting diode (LED). The bottom gate (BG) is provided with a first voltage signal (Vdata) and the source is provided with a second voltage signal (Vsense) in a compensation period during which a present value of a threshold voltage of the first transistor (T1) is sensed at the source and a third voltage signal (Vtg) is determined based on the present value of the threshold voltage. The top gate (TG) is configured to be provided with the third voltage signal (Vtg) in an emission period to reduce the present value of the threshold voltage.

6. 发明申请

WO2016169275A1 IMAGE PROCESSING METHOD AND APPARATUS FOR PREVENTING SCREEN BURN-INS AND RELATED DISPLAY APPARATUS 审中-公开
标题翻译：图像处理方法和装置，用于防止屏幕烧伤和相关显示装置
公开(公告)号：WO2016169275A1
公开(公告)日：2016-10-27
申请号：PCT/CN2015/096898
申请日：2015-12-10
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： SONG, Danna , WU, Zhongyuan , MENG, Song , GAI, Cuili
IPC分类号： G09G3/00 , G09G3/32
CPC分类号： G09G3/3225 , G09G3/20 , G09G2320/0271 , G09G2320/046 , G09G2320/0613 , G09G2320/0686 , G09G2320/103 , G09G2360/16
摘要： A display apparatus with display screen burn-ins prevention functions is provided, the display apparatus comprises a calculation module (502) configured to identify a set of to-be-adjusted grayscale edge pixels corresponding to a static display part in a detection area based on a plurality of sets of grayscale edge pixels identified from a plurality of images in the detection area at different time instances; a determination module (504) configured to determine whether the set of to-be-adjusted grayscale edge pixels is an empty set; and an adjustment module (508) configured to adjust intensity levels of the to-be-adjusted grayscale edge pixels when the determination module (504) determines that the set of to-be-adjusted grayscale edge pixels is not an empty set.
摘要翻译：提供了一种具有显示屏老化防止功能的显示装置，该显示装置包括：计算模块（502），被配置为基于对应于检测区域中的静态显示部分的一组待调整灰度边缘像素在不同的时间情况下从检测区域中的多个图像识别的多组灰度边缘像素; 确定模块（504），被配置为确定所述待调整灰度边缘像素的集合是否是空集合; 以及调整模块（508），其被配置为当所述确定模块（504）确定所述待调整灰度边缘像素的集合不是空集合时，调整所述待调整灰度边缘像素的强度水平。

7. 发明申请

WO2018205615A1 A DATA VOLTAGE COMPENSATION METHOD, A DISPLAY DRIVING METHOD, AND A DISPLAY APPARATUS 审中-公开
公开(公告)号：WO2018205615A1
公开(公告)日：2018-11-15
申请号：PCT/CN2017/116541
申请日：2017-12-15
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： MENG, Song , WU, Zhongyuan , YANG, Fei
IPC分类号： G09G3/3208
摘要： Provided are display apparatus and its method for compensating data voltages. The method for individually compensating a data voltage to be applied to one of the multiple pixel circuits in the display apparatus. The method includes obtaining a threshold voltage of the driving transistor in the one of the multiple pixel circuits. Additionally, the method includes applying a testing voltage to a gate electrode of the driving transistor for charging the sense line up to a first time period to determine a first monitoring voltage associated with the sense line. The testing voltage is set to be a sum of the threshold voltage and a first setting voltage. Moreover, the method includes compensating a data voltage to be applied to the one of the multiple pixel circuits based on the first monitoring voltage and the threshold voltage.

8. 发明申请

WO2016206317A1 ARRAY SUBSTRATE, DISPLAY PANEL AND DISPLAY DEVICE HAVING THE SAME, AND METHOD THEREOF 审中-公开
标题翻译：阵列基板，显示面板和具有该基板的显示装置及其方法
公开(公告)号：WO2016206317A1
公开(公告)日：2016-12-29
申请号：PCT/CN2015/097044
申请日：2015-12-10
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： GAI, Cuili , WU, Zhongyuan , YIN, Jingwen , WANG, Longyan
IPC分类号： G02F1/1362
CPC分类号： G02F1/136204 , G02F1/136259 , G09G3/20 , G09G2300/0426 , G09G2330/04 , G09G2330/08 , H01L27/0248
摘要： An array substrate having a signal line (1); a common electrode line (2); an electrostatic discharge (ESD) protector (3) comprising a first discharging terminal (31) coupled to the signal line (1), and a second discharging terminal (32) coupled to the common electrode line (2); and an ESD protector repair unit (4) comprising a first repair terminal (41) in close proximity to the first discharging terminal (31) but separated from each other, a second repair terminal (42) in close proximity to the common electrode line (2) but separated from each other.
摘要翻译：具有信号线（1）的阵列基板; 公共电极线（2）; 包括耦合到所述信号线（1）的第一放电端子（31）和耦合到所述公共电极线（2）的第二放电端子（32）的静电放电（ESD）保护器（3）以及ESD保护器修理单元（4），包括紧邻第一放电端子（31）但彼此分开的第一修复端子（41），紧邻公共电极线路的第二修复端子（42） 2）但彼此分开。

9. 发明公开

EP4319534A1 DISPLAY SUBSTRATE AND DISPLAY PANEL 审中-实审
公开(公告)号：EP4319534A1
公开(公告)日：2024-02-07
申请号：EP21948867.3
申请日：2021-07-09
申请人： BOE TECHNOLOGY GROUP CO., LTD. , Hefei Boe Joint Technology Co., Ltd.
发明人： LI, Yongqian , YUAN, Can , WU, Zhongyuan
IPC分类号： H10K59/00 , G09G3/3266
摘要： A display substrate and a display panel. The display substrate comprises a base substrate and a plurality of sub-pixels provided on the base substrate; each sub-pixel comprises a light-emitting element (20) and pixel circuits (10); each pixel circuit (10) comprises a driving circuit (11), a data writing circuit (12), a first control circuit (14), a second control circuit (15), and a light-emitting control circuit (16); the driving circuit (11) is configured to control driving current flowing through the light-emitting element; the light-emitting control circuit (16) is configured to apply the driving current to the light-emitting element (20); the first control circuit (14) is configured to write a reference voltage to the control end of the driving circuit (11); the second control circuit (15) is configured to write an initial voltage to a first electrode of the light-emitting element (20); and the orthographic projections of at least some of the pixel circuits (10) of every two adjacent sub-pixels in the same row of sub-pixels on the base substrate are mirror symmetrical. The display substrate is simple in structure while ensuring the compensation precision.

10. 发明公开

EP4113611A1 MOTHERBOARD AND MANUFACTURING METHOD THEREFOR 审中-公开
公开(公告)号：EP4113611A1
公开(公告)日：2023-01-04
申请号：EP20921617.5
申请日：2020-02-27
申请人： BOE Technology Group Co., Ltd. , Hefei Boe Joint Technology Co., Ltd.
发明人： LI, Yongqian , YUAN, Can , LI, Meng , FENG, Xuehuan , WU, Zhongyuan , YUAN, Zhidong
IPC分类号： H01L27/32 , H01L27/02 , H05F3/00 , G02F1/1333
摘要： A motherboard (100) and a manufacturing method therefor. The motherboard (100) comprises at least one display area (101), a peripheral area surrounding the at least one display area (101), a plurality of test terminals (111), a electrostatic discharge wire (112), a plurality of resistors (113) and at least one thin film transistor. The plurality of test terminals (111), the electrostatic discharge wire (112) and the plurality of resistors (113) are located in the peripheral area; and the at least one thin film transistor is located in at least one of the at least one display area (101) and the peripheral area. The plurality of test terminals (111) are respectively electrically connected to the electrostatic discharge wire (112) via the plurality of resistors (113); at least one of the plurality of resistors (113) comprises an inorganic nonmetallic wiring; the at least one thin film transistor comprises an active layer; and the inorganic non-metallic wiring and the active layer of the at least one thin film transistor comprise the same semiconductor substrate material. The motherboard (100) and the manufacturing method therefor can improve the yield.

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