WO2019214735A1 - 像素电路、像素电路感测方法及显示面板 - Google Patents
像素电路、像素电路感测方法及显示面板 Download PDFInfo
- Publication number
- WO2019214735A1 WO2019214735A1 PCT/CN2019/086471 CN2019086471W WO2019214735A1 WO 2019214735 A1 WO2019214735 A1 WO 2019214735A1 CN 2019086471 W CN2019086471 W CN 2019086471W WO 2019214735 A1 WO2019214735 A1 WO 2019214735A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pixel
- display
- circuit
- sensing
- pixels
- Prior art date
Links
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0439—Pixel structures
- G09G2300/0443—Pixel structures with several sub-pixels for the same colour in a pixel, not specifically used to display gradations
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0267—Details of drivers for scan electrodes, other than drivers for liquid crystal, plasma or OLED displays
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0275—Details of drivers for data electrodes, other than drivers for liquid crystal, plasma or OLED displays, not related to handling digital grey scale data or to communication of data to the pixels by means of a current
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0289—Details of voltage level shifters arranged for use in a driving circuit
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/043—Preventing or counteracting the effects of ageing
- G09G2320/045—Compensation of drifts in the characteristics of light emitting or modulating elements
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/10—Dealing with defective pixels
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/12—Test circuits or failure detection circuits included in a display system, as permanent part thereof
Definitions
- the present disclosure relates to the field of display technologies, and in particular, to a pixel circuit, a pixel circuit sensing method, and a display panel.
- the pixel circuit includes a display unit, a driving transistor, and a light emitting unit.
- the output end of the driving transistor is connected to the light emitting unit, and the input end of the driving transistor receives the data signal to control the voltage of the output end thereof.
- the driving transistor generally uses a thin film transistor.
- the threshold voltage and mobility of the thin film transistor may shift during operation, thereby causing a deviation in the voltage at the output terminal of the thin film transistor, and then the luminance of the light emitting unit is deviated.
- the threshold voltage and mobility of the driving transistor are usually compensated by means of pixel internal compensation.
- the internal compensation has certain limitations.
- the threshold voltage and mobility of the driving transistor need to be compensated by external compensation.
- the external compensation technique it is necessary to detect the current or voltage at the output of the driving transistor during the sensing period through the detecting line for calculating the compensation voltage.
- the charging time of the driving transistor becomes shorter and shorter, and the current and voltage input to the sensing line by the driving transistor during sensing become smaller and smaller, and the number connected to the sensing line
- the analog converter will not be able to sense the magnitude of the current or voltage on the sense line, making it impossible to calculate the compensation voltage.
- the present disclosure provides a pixel circuit, a pixel circuit sensing method, and a display panel.
- a pixel circuit including: a display pixel driving circuit, a sensing line, and at least one non-display pixel driving circuit.
- a display pixel driving circuit for driving a display sub-pixel, the display pixel driving circuit comprising a first driving transistor; a sensing line connected to an output end of the first driving transistor, for sensing an output of the first driving transistor a current of the terminal; each of the non-display pixel driving circuits is configured to drive a non-display sub-pixel, the non-display pixel driving circuit includes a second driving transistor, and an output end of the second driving transistor is connected to the sensing line And for inputting a compensation current to the sensing line.
- the pixel circuit further includes a controllable voltage source connected to a control end of the second driving transistor for controlling the second driving transistor The output of the output outputs a preset compensation current.
- the display pixel driving circuit has the same circuit structure as the non-display pixel driving circuit, and the voltage of the controllable voltage source is less than a first preset threshold.
- an output end of the second driving transistor in the non-display pixel driving circuit is not connected to the light emitting unit, and a voltage of the controllable voltage source is greater than or equal to a second preset threshold.
- controllable voltage source is provided by a source driving circuit of the display sub-pixel or an external power source.
- the pixel circuit further includes an external driving unit, configured to drive the first during sensing of the first driving transistor output current by the sensing line A second drive transistor provides the compensation current to the sense line.
- a pixel circuit sensing method including:
- a compensation current is input to the sensing line by using at least one non-display pixel driving circuit.
- a display panel including the above-described pixel circuit is provided.
- the display panel includes a plurality of display pixels distributed in rows and columns, each display pixel includes a plurality of display sub-pixels, and a plurality of display sub-pixels in each display pixel are identical to the same A sense line connection, wherein one sense line connects at least one non-display sub-pixel.
- the display panel includes at least one row of non-display sub-pixels, the number of non-display sub-pixels of each row is equal to the number of display sub-pixels of each row; or the number of non-display sub-pixels of each row It is equal to 1/2, 1/3 or 1/4 of the number of sub-pixels displayed in each row.
- FIG. 1 is a schematic structural diagram of a pixel circuit according to one or more embodiments of the present disclosure
- FIG. 2 is a flow chart of a pixel circuit sensing method in accordance with one or more embodiments of the present disclosure
- FIG. 3 is a schematic structural diagram of pixel sensing in a display panel in the related art
- FIG. 4 is a diagram showing a distribution structure of pixels in a display panel according to one or more embodiments of the present disclosure
- FIG. 5 is a diagram showing a distribution structure of pixels in a display panel according to one or more embodiments of the present disclosure
- FIG. 6 is a diagram showing a distribution structure of pixels in a display panel according to one or more embodiments of the present disclosure
- FIG. 7 is a diagram showing a distribution structure of pixels in a display panel according to one or more embodiments of the present disclosure.
- the present exemplary embodiment provides a pixel circuit, as shown in FIG. 1, which is a schematic structural view of an exemplary embodiment of a pixel circuit of the present disclosure.
- the pixel circuit includes a display pixel driving circuit 1, a sensing line 2, and a non-display pixel driving circuit 3.
- the display pixel driving circuit 1 is configured to drive the display sub-pixel, the display pixel driving circuit includes a first driving transistor 11; the sensing line 2 is connected to the output end of the first driving transistor 11 for sensing the first Driving the current of the output terminal of the transistor 11; the non-display pixel driving circuit 3 is for driving a non-display sub-pixel, the non-display pixel driving circuit 3 includes a second driving transistor 31, and an output end of the second driving transistor 31 is The sensing line 2 is connected for inputting a compensation current to the sensing line 2.
- the sensing line 2 is connected with an analog-to-digital converter (not shown) for detecting the current on the detecting line.
- the pixel circuit proposed by the present disclosure provides a compensation current to the sensing line through the non-display pixel driving circuit, so that the current on the sensing line is within the sensing range of the digital-to-analog converter during sensing, thereby passing the total current on the sensing line.
- the difference from the compensation current obtains an output current of the first driving transistor in the display pixel driving circuit during detection.
- the pixel circuit can implement current sensing when the output current of the first driving transistor is small; on the other hand, the pixel circuit has a simple structure and a low cost.
- the non-display pixel driving circuit may be multiple, and the output ends of the driving transistors in the plurality of non-display pixel driving circuits are simultaneously connected to the sensing line, and the plurality of non-display pixel driving circuits are simultaneously sensed.
- the line provides compensation current.
- the circuit structure of the display pixel driving circuit 1 may be a 3T1C structure.
- the circuit structure of the display pixel driving circuit 1 has more options.
- 4T1C, 7T1C, etc. similarly, in the exemplary embodiment, the non-display pixel driving circuit 3 can be selected as a 3T1C structure, and in other exemplary embodiments, the non-display pixel driving circuit 3 has more options, For example, 4T1C, 7T1C, etc., all fall within the scope of protection of the present disclosure.
- the pixel circuit may further include a controllable voltage source (not shown) connected to the control end of the second driving transistor 31 for controlling the The output terminal of the second driving transistor 31 outputs a preset compensation current.
- the controllable voltage source can provide a controllable voltage Vdummy for the control terminal of the second driving transistor 31.
- Vdummy By adjusting the magnitude of the controllable voltage Vdummy, a preset magnitude of the compensation current Idummy can be obtained.
- the current at the output of the first driving transistor 11 during the detection period is obtained by subtracting the compensation current Idummy from the total current Itotal detected by the detection line 2.
- the compensation current may also be obtained by means of detection line detection, which are all within the scope of protection of the present disclosure.
- the circuit structure of the display pixel driving circuit 1 and the non-display pixel driving circuit 3 may be the same, and the non-display pixel driving circuit 3 may directly multiplex the display pixel driving circuit 1 to save cost.
- the controllable voltage Vdummy output by the controllable voltage source needs to be smaller than the first predetermined threshold, thereby preventing the light emitting unit of the non-display pixel driving circuit 3 from emitting light.
- the voltage across the light-emitting unit in the non-display pixel driving circuit 3 may be larger than the voltage across the light-emitting unit in the display pixel driving circuit, thereby ensuring that the light-emitting unit in the non-display pixel driving circuit 3 does not emit light.
- the compensation current Idummy is increased.
- the non-display pixel driving circuit 3 may not be provided with a light emitting unit, and the controllable voltage Vdummy output by the controllable voltage source may be an arbitrary value. In order to ensure that the total current Itotal of the detection line 2 is within the detection range of the digital-to-analog detector.
- the controllable voltage Vdummy output by the controllable voltage source may be greater than or equal to a second predetermined threshold.
- the sum of the compensation current Idummy output by the second driving transistor and the current Idisplay outputted by the first driving transistor at the second preset threshold is just within the detection range of the digital-to-analog detector.
- the controllable voltage source may be provided by a source driving circuit of the display sub-pixel or may be provided by an external power source.
- the pixel circuit further includes an external driving unit (not shown) for driving the sensing line during the sensing of the first driving transistor output current.
- the second driving transistor supplies the compensation current to the sensing line.
- the external driving unit may supply scan signals S1, S2 to the non-display pixel driving circuit 3, and the non-display pixel driving circuit 3 may sense the sensing line under the control of the scanning signals S1, S2.
- the second driving transistor is driven to supply the compensation current to the sensing line during a first driving transistor output current.
- the pixel circuit according to the present disclosure provides a compensation current to the sensing line through the non-display pixel driving circuit, so that the sensing line can perform current sensing with a small current at the output end of the first driving transistor during sensing, thereby achieving high
- the pixel drive circuit in the refresh rate display drives the external compensation of the transistor threshold and mobility.
- the present exemplary embodiment further provides a pixel circuit sensing method, as shown in FIG. 2, which is a flowchart of an exemplary embodiment of a pixel circuit sensing method of the present disclosure.
- the method includes:
- Step S1 sensing, by using the sensing line, an output current of the first driving transistor in the pixel driving circuit
- Step S2 inputting a compensation current to the sensing line by using at least one non-display pixel driving circuit during the sensing line sensing the output current of the first driving transistor.
- the pixel circuit sensing method provided by the exemplary embodiment has the same technical features and working principles as the above-mentioned pixel circuit, and the above content has been described in detail, and details are not described herein again.
- FIG. 3 is a schematic structural diagram of pixel sensing in a display panel in the related art.
- the display panel includes a plurality of display pixels distributed in rows and columns, each display pixel includes four display sub-pixels R, G, B, and W, and a plurality of display sub-pixels in each display pixel are connected to the same sensing line Sense Line Since the output transistor of the driving transistor in the display pixel driving circuit that drives the display sub-pixel is small during sensing, the analog-to-digital converter connected to the sensing line cannot sense the output current of the driving transistor.
- the present exemplary embodiment also provides a display panel including the above-described pixel circuit.
- the display panel provided by the exemplary embodiment has the same technical features and working principles as the above-mentioned pixel circuit, and the above content has been described in detail, and details are not described herein again.
- the display panel may include a plurality of display pixels distributed in rows and columns, each display pixel includes four display sub-pixels, and a plurality of display sub-pixels R, G, B, W in each display pixel and the same sensing line Sense A line connection in which one sensing line is connected to a non-display sub-pixel D.
- the sensing lines Sense Line are arranged in a column direction, in order to avoid overlapping of the trace lines, the non-display sub-pixels D may be distributed in a row in the upper portion of the display pixels and in a column distribution with the display sub-pixels.
- non-display sub-pixels D may also be distributed in a row at a lower portion of the display pixels or at any position on the display panel; in other exemplary embodiments, each of the display pixels may further include three sub-pixels R, G, B, these are all within the scope of protection of the present disclosure.
- a distribution structure diagram of pixels in another exemplary embodiment of the display panel of the present disclosure may be arranged in a row on the upper portion of the display pixels, and the number of non-display sub-pixels may be the same as the number of columns of the display sub-pixels and distributed in columns with the display sub-pixels.
- the non-display sub-pixels D and the display sub-pixels located in the same column are connected to the same sensing line Sense Line.
- the design can realize that the sensing circuit Sense Line senses the driving circuit output current of the sub-pixel, and the driving circuits of the four non-display sub-pixels can simultaneously compensate the sensing line Sense Line.
- the design can also be realized, and the sensing line Sense Line can sense a corresponding non-display sub-pixel D to the sensing line Sense when sensing the output current of each display sub-pixel.
- the line performs current compensation to achieve differential compensation for different display sub-pixels.
- the non-display sub-pixels may also be provided with multiple rows, and the number of non-display sub-pixels of each row may also be equal to 1/2, 1/3 of the number of display sub-pixels of each row, which are all within the protection scope of the present disclosure. .
- FIG. 6 a distribution structure diagram of pixels in an exemplary embodiment of the display panel of the present disclosure.
- the sense line connection portion of the sense line is omitted in the figure.
- Each column display sub-pixel is connected to one data line DL, and the non-display sub-image can be connected to the same external power source DC, and the external power source DC supplies a controllable voltage to the control terminal of the drive transistor of the non-display sub-image.
- FIG. 7 a distribution structure diagram of pixels in an exemplary embodiment of the display panel of the present disclosure.
- the sense line connection portion of the sense line is omitted in the figure.
- the non-display sub-image can be connected to the source driving circuit (not shown) of the display sub-pixel through a data line DL, and the source driving circuit of the display sub-pixel provides controllable to the control terminal of the driving transistor of the non-display sub-image. Voltage.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
Abstract
Description
Claims (10)
- 一种像素电路,包括:显示像素驱动电路,用于驱动显示子像素,所述显示像素驱动电路包括第一驱动晶体管;感测线,与所述第一驱动晶体管的输出端连接,用于感测所述第一驱动晶体管的输出端的电流;至少一个非显示像素驱动电路,每个所述非显示像素驱动电路用于驱动一个非显示子像素,所述非显示像素驱动电路包括第二驱动晶体管,所述第二驱动晶体管的输出端与所述感测线连接,用于向所述感测线输入补偿电流。
- 根据权利要求1所述的像素电路,其中,所述像素电路还包括可控电压源,所述可控电压源与所述第二驱动晶体管的控制端连接,用于控制所述第二驱动晶体管的输出端输出预设的补偿电流。
- 根据权利要求2所述的像素电路,其中,所述显示像素驱动电路与所述非显示像素驱动电路的电路结构相同,所述可控电压源的电压小于第一预设阈值。
- 根据权利要求2或3所述的像素电路,其中,所述非显示像素驱动电路中的第二驱动晶体管的输出端不连接发光单元,所述可控电压源的电压大于或者等于第二预设阈值。
- 根据权利要求2至4中任意一项所述的像素电路,其中,所述可控电压源由所述显示子像素的源极驱动电路或者外部电源提供。
- 根据权利要求1至5中任意一项所述的像素电路,其中,所述像素电路还包括外部驱动单元,所述外部驱动单元用于在所述感测线感测所述第一驱动晶体管输出电流期间驱动所述第二驱动晶体管向所述感测线提供所述补偿电流。
- 一种像素电路感测方法,包括:利用感测线感测显示像素驱动电路中第一驱动晶体管的输出电流;在所述感测线感测所述第一驱动晶体管输出电流期间,利用至少一个非显示像素驱动电路向所述感测线输入补偿电流。
- 一种显示面板,包括如权利要求1-6任一项所述的像素电路。
- 根据权利要求8所述的显示面板,其中,所述显示面板包括行列分布的多个显示像素,每个显示像素包括多个显示子像素,每个显示像素中的多个显示子像素与同一条感测线连接,其中,一条感测线连接至少一个非显示子像素。
- 根据权利要求9所述的显示面板,其中,所述显示面板包括至少一行非显示子像素,各行非显示子像素的个数等于各行显示子像素的个数;或者各行非显示子像素的个数等于各行显示子像素的个数的1/2、1/3或者1/4。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/621,310 US11017713B2 (en) | 2018-05-11 | 2019-05-10 | Pixel circuit, sensing method for pixel circuit, and display panel |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810450593.X | 2018-05-11 | ||
CN201810450593.XA CN108630140A (zh) | 2018-05-11 | 2018-05-11 | 像素电路、像素电路感测方法及显示面板 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2019214735A1 true WO2019214735A1 (zh) | 2019-11-14 |
Family
ID=63692791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2019/086471 WO2019214735A1 (zh) | 2018-05-11 | 2019-05-10 | 像素电路、像素电路感测方法及显示面板 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11017713B2 (zh) |
CN (1) | CN108630140A (zh) |
WO (1) | WO2019214735A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108630140A (zh) * | 2018-05-11 | 2018-10-09 | 京东方科技集团股份有限公司 | 像素电路、像素电路感测方法及显示面板 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004088626A1 (en) * | 2003-04-01 | 2004-10-14 | Koninklijke Philips Electronics N.V. | Active matrix display devices with modelling circuit located outside the display area for compensating threshold variations of the pixel drive transistor |
CN105144273A (zh) * | 2013-05-23 | 2015-12-09 | 株式会社日本有机雷特显示器 | 图像信号处理电路、图像信号处理方法以及显示装置 |
CN106205496A (zh) * | 2015-05-29 | 2016-12-07 | 乐金显示有限公司 | 数据驱动器、有机发光显示面板、有机发光显示装置及其驱动方法 |
CN106486059A (zh) * | 2015-08-31 | 2017-03-08 | 乐金显示有限公司 | 有机发光显示器和驱动该有机发光显示器的方法 |
CN106816135A (zh) * | 2015-11-27 | 2017-06-09 | 乐金显示有限公司 | 有机发光显示面板和有机发光显示装置 |
CN108010488A (zh) * | 2016-10-31 | 2018-05-08 | 乐金显示有限公司 | 显示装置 |
CN108630140A (zh) * | 2018-05-11 | 2018-10-09 | 京东方科技集团股份有限公司 | 像素电路、像素电路感测方法及显示面板 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006525539A (ja) * | 2003-05-02 | 2006-11-09 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 閾値電圧のドリフト補償を有するアクティブマトリクスoled表示装置 |
US9460660B2 (en) * | 2011-12-21 | 2016-10-04 | Sharp Kabushiki Kaisha | Pixel circuit and display device |
KR102675045B1 (ko) * | 2016-10-31 | 2024-06-12 | 엘지디스플레이 주식회사 | 벤더블 표시패널 및 이를 이용한 벤더블 표시장치 |
-
2018
- 2018-05-11 CN CN201810450593.XA patent/CN108630140A/zh active Pending
-
2019
- 2019-05-10 WO PCT/CN2019/086471 patent/WO2019214735A1/zh active Application Filing
- 2019-05-10 US US16/621,310 patent/US11017713B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004088626A1 (en) * | 2003-04-01 | 2004-10-14 | Koninklijke Philips Electronics N.V. | Active matrix display devices with modelling circuit located outside the display area for compensating threshold variations of the pixel drive transistor |
CN105144273A (zh) * | 2013-05-23 | 2015-12-09 | 株式会社日本有机雷特显示器 | 图像信号处理电路、图像信号处理方法以及显示装置 |
CN106205496A (zh) * | 2015-05-29 | 2016-12-07 | 乐金显示有限公司 | 数据驱动器、有机发光显示面板、有机发光显示装置及其驱动方法 |
CN106486059A (zh) * | 2015-08-31 | 2017-03-08 | 乐金显示有限公司 | 有机发光显示器和驱动该有机发光显示器的方法 |
CN106816135A (zh) * | 2015-11-27 | 2017-06-09 | 乐金显示有限公司 | 有机发光显示面板和有机发光显示装置 |
CN108010488A (zh) * | 2016-10-31 | 2018-05-08 | 乐金显示有限公司 | 显示装置 |
CN108630140A (zh) * | 2018-05-11 | 2018-10-09 | 京东方科技集团股份有限公司 | 像素电路、像素电路感测方法及显示面板 |
Also Published As
Publication number | Publication date |
---|---|
US11017713B2 (en) | 2021-05-25 |
US20200098306A1 (en) | 2020-03-26 |
CN108630140A (zh) | 2018-10-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20200279523A1 (en) | Power control circuit for display device | |
US9019187B2 (en) | Liquid crystal display device including TFT compensation circuit | |
US7903072B2 (en) | Electro-optical device, driving circuit, and electronic apparatus for decreasing frame size | |
US9952478B2 (en) | Display device with positive polarity and negative polarity pixels and method for driving the same | |
KR20180047242A (ko) | 벤더블 표시패널 및 이를 이용한 벤더블 표시장치 | |
US20160093260A1 (en) | Display device and associated method | |
US20110096027A1 (en) | Sensor scan drivers, flat panel displays with built-in touch screen including such a sensor scan driver, and methods of driving such flat panel displays | |
JP6731834B2 (ja) | 表示装置 | |
KR20160007876A (ko) | 표시장치 | |
US7764265B2 (en) | Driving apparatus for display device and display device including the same and method of driving the same | |
US10777108B2 (en) | Display device and method of driving the same | |
US10339886B2 (en) | Display panel having gate driving circuit and method of monitoring characteristics of gate driving circuit | |
CN110364115B (zh) | 具有可控连接部的显示*** | |
US11830443B2 (en) | Display device, display panel, and display driving method having operation at a low driving frequency | |
JP4492491B2 (ja) | 表示装置 | |
JP6827076B2 (ja) | ゲートドライバ、有機発光表示装置およびその駆動方法 | |
WO2019214735A1 (zh) | 像素电路、像素电路感测方法及显示面板 | |
KR102416710B1 (ko) | 터치표시장치 및 그 구동방법 | |
KR20180024376A (ko) | 유기발광표시장치 | |
KR20200068286A (ko) | 피드백 제어 회로, 터치 디스플레이 패널 및 터치 디스플레이 장치 | |
TWI455105B (zh) | 顯示面板 | |
KR102503690B1 (ko) | 박막트랜지스터 어레이 기판과 이를 포함한 표시장치 | |
KR20160092124A (ko) | 표시 장치 | |
KR102501906B1 (ko) | 액정표시장치와 그 구동 방법 | |
KR102416510B1 (ko) | 표시 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 19800258 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 19800258 Country of ref document: EP Kind code of ref document: A1 |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 01.04.2021) |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 19800258 Country of ref document: EP Kind code of ref document: A1 |