WO2020113690A1 - 显示面板和显示装置 - Google Patents
显示面板和显示装置 Download PDFInfo
- Publication number
- WO2020113690A1 WO2020113690A1 PCT/CN2018/122187 CN2018122187W WO2020113690A1 WO 2020113690 A1 WO2020113690 A1 WO 2020113690A1 CN 2018122187 W CN2018122187 W CN 2018122187W WO 2020113690 A1 WO2020113690 A1 WO 2020113690A1
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- WO
- WIPO (PCT)
- Prior art keywords
- fan
- display area
- source
- switch
- driver chip
- Prior art date
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Classifications
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- 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
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- 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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
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- 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
- G09G2300/0404—Matrix technologies
- G09G2300/0408—Integration of the drivers onto the display substrate
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- 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
- G09G2300/0819—Several active elements per pixel in active matrix panels used for counteracting undesired variations, e.g. feedback or autozeroing
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- 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
- G09G2310/0291—Details of output amplifiers or buffers arranged for use in a driving circuit
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- 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
- G09G2320/02—Improving the quality of display appearance
-
- 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
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
-
- 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
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0242—Compensation of deficiencies in the appearance of colours
Definitions
- the present application relates to the field of display technology, in particular to a display panel and a display device.
- TFT-LCD thin film transistor-liquid crystal Display, thin-film transistor liquid crystal display
- TFT-LCD thin film transistor-liquid crystal Display, thin-film transistor liquid crystal display
- the requirements for display quality and product maturity are getting higher and higher, and the product cost is becoming more and more sensitive.
- the border that is, each Source IC (source driver chip) corresponding area increase is one of the commonly used means.
- the main purpose of the present application is to propose a display panel aimed at avoiding color shift and ensuring the uniformity of the display effect of the display panel.
- the display panel proposed in this application includes: a substrate provided with a display area, a fan-out area, and a source driver chip; a feedback line is provided in the display area; and the source driver chip has In the first state and the second state, when the source driver chip is in the first state, the source driver chip inputs a first data signal to the feedback line, and when the source driver chip is in the In the second state, the voltage of the feedback row is fed back to the source driver chip, so that the source driver chip outputs a second data signal to the remaining rows of the display area, each column of the first data signal Set equal to the sum of the second data signals.
- the source driver chip includes: an operational amplifier having a first input terminal, a second input terminal, and a first output terminal, the first output terminal being connected to the second input terminal, The first output terminal is configured to connect to the display area; a digital-to-analog conversion module is connected to the first input terminal; and a voltage-current conversion module, the voltage-current conversion module has a third input terminal and a second output Terminal, the third input terminal is connected to the first output terminal, and the second output terminal is connected to the second input terminal; and, the switch unit and the controller, when the source chip is in the first In one state, the controller is configured to control the switching unit to connect the first output terminal of the operational amplifier and the display area, and when the source chip is in the second state, the controller is configured To control the switch unit to connect the display area, the voltage-current conversion module and the second input terminal of the operational amplifier.
- the switch unit includes a first switch and a second switch, the first switch is provided between the first output terminal and the display area, and the second switch is provided in the display area and Between the third input terminal of the voltage-current conversion module; when the first switch is turned on and the second switch is turned off, the source driver chip is in the first state; the controller is A timer, when the timer reaches a preset duration, the second switch is turned on, the first switch is turned off, and the source driver chip is in the second state.
- the feedback line is configured as a colorless filter setting and the feedback line is designed with a black matrix, so that the feedback line becomes an invalid line.
- a black matrix design for the feedback row includes the following steps: setting several alignment marks on the substrate corresponding to the feedback row; providing a black matrix photoresist system, and coating the substrate on the substrate corresponding to the feedback row.
- the black matrix photoresist system forms a photoresist layer, and the photoresist layer covers the feedback line.
- a plurality of source lines and a plurality of gate lines are provided in the display area, the source lines and the gate lines cross to form a plurality of pixel units, and the first row in the display area
- the pixel unit is set as the feedback line.
- a plurality of the source lines divide the feedback row into a plurality of pixel units, and each of the pixel units is connected to a first output terminal of the operational amplifier.
- a plurality of fan-out wires are provided in the fan-out area, one end of the fan-out wire is connected to the source driver chip, and the other end of the fan-out wire is connected to the source wire;
- the fan-out wires are arranged symmetrically with respect to the middle of the length direction of the fan-out zone.
- the resistance value of the fan-out wire is increasing in the middle near the length of the fan-out region.
- the present application also proposes a display device including the display panel, the display panel including:
- a substrate, a display area, a fan-out area and a source driving chip are provided on the substrate; a feedback line is provided in the display area; the source driving chip has a first state and a second state when the source electrode When the driving chip is in the first state, the source driving chip inputs a first data signal to the feedback line, and when the source driving chip is in the second state, the voltage of the feedback line is fed back to The source driver chip, so that the source driver chip outputs second data signals to the remaining rows of the display area, and the sum of the first data signal and the second data signal in each column is set equal.
- the present application proposes a display panel including a substrate.
- the substrate is provided with a display area, a fan-out area, and a source driver chip.
- a feedback line is provided in the display area.
- the source driver chip has a In a state and a second state, when the source driver chip is in the first state, the source driver chip inputs a first data signal to the feedback row, and when the source driver chip is in the first state In the two state, the voltage of the feedback row is fed back to the source driver chip, and the source driver chip outputs a second data signal to the remaining rows of the display area, the second data signal and the first
- the size of the data signal is set in reverse so that the sum of the first data signal and the second data signal in each column is set equal.
- the source driver chip of the display panel has a first state and a second state.
- the source driver chip can send feedback lines Input the first data signal, due to the delay effect of the data line, the size of the first data signal acting on the feedback line is not the same, so the pixel voltage at different positions of the feedback line is inconsistent; at this time, the source driver chip switches to the first In the second state, when the source driver chip is in the second state, different pixel voltages can be fed back to the source driver chip, so that the source driver chip outputs the second data signal to the remaining rows of the display area, the size of the second data signal
- the size of the first data signal is set in the opposite direction.
- the sum of the first data signal and the second data signal at different positions in the remaining rows can be set substantially equal, which can make the pixel voltages at different positions in the remaining rows tend to be consistent. Therefore, the display effect of the display panel can be made more uniform, and the color shift phenomenon can be avoided.
- 1 is a schematic diagram of pixel voltages output by an exemplary source driver chip at different positions
- FIG. 2 is a waveform diagram of the pixel voltage at position A in FIG. 1;
- FIG. 3 is a waveform diagram of the pixel voltage at position B in FIG. 1;
- FIG. 4 is a schematic structural diagram of a display panel of this application.
- FIG. 5 is a schematic diagram of the display area in FIG. 1;
- FIG. 6 is a schematic diagram of the source driver chip in FIG. 1 in a first state
- FIG. 7 is a schematic diagram of the source driver chip in FIG. 1 in a second state.
- Label name Label name 10 Substrate 400 Voltage current conversion module 20
- Source line 500 Switch unit 30 Fan out wire 210 First input 11 Display area 220 Second input 12 Fan-out area 230 First output 13
- Source driver chip 410 Third input 100 Feedback line 420 Second output 200
- Operational Amplifier 510 First switch 300 D/A conversion module 520 Second switch
- first”, “second”, etc. are for descriptive purposes only, and cannot be understood as instructions or hints Its relative importance or implicitly indicates the number of technical features indicated.
- the features defined with “first” and “second” may include at least one of the features either explicitly or implicitly.
- the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of those skilled in the art to realize. When the combination of technical solutions contradicts or cannot be realized, it should be considered that the combination of such technical solutions does not exist , Nor within the scope of protection required by this application.
- the present application proposes a display panel, which has good pixel voltage consistency, so that the display distribution of the display panel can be made uniform.
- the display panel includes a substrate 10, and the substrate 10 is provided with a display area 11, a fan-out area 12 and a source driver chip 13, the display area 11 is provided with a feedback line 100; the source driver chip 13 has a first state and a second state, when the source driver chip 13 is in the first state, the source driver chip 13 to the The first data signal is input to the feedback line 100, and when the source driving chip 13 is in the second state, the voltage of the feedback line 100 is fed back to the source driving chip 13, and the source driving chip 13
- the remaining rows of the display area 11 output second data signals, the second data signals and the first data signals are arranged in opposite sizes, so that each column of the first data signal and the second data signal The sum of is set equal.
- the output signals of the source driver chip 13 (output data signal) and the gate driver chip (output scan signal) first respectively pass through the traces of their respective fan-out circuits, and then are transmitted to the display through the scan lines and the data lines respectively In the pixel unit array of the panel.
- the data line can be equivalent to a low-pass filter in the form of a first-order resistance capacitor, so it will delay the signal ( RC delay) function.
- the feedback panel 100 is provided on the substrate 10 of the display panel proposed by the present application.
- the source driver chip 13 of the display panel has a first state and a second state. When the source driver chip 13 is in the first state, the source driver chip 13 The first data signal can be input to the feedback line 100. Due to the delay effect of the data line, the magnitude of the first data signal acting on the feedback line 100 is not the same. Thus, the pixel voltages at different positions of the feedback line 100 are inconsistent; The source driver chip 13 is switched to the second state.
- the source driver chip 13 When the source driver chip 13 is in the second state, different pixel voltages can be fed back to the source driver chip 13, so that the source driver chip 13 is directed to the remaining rows of the display area 11
- the second data signal is output, and the size of the second data signal is opposite to the size of the first data signal.
- the sum of the first data signal and the second data signal at different positions in the remaining rows can be set substantially equal, and then the The pixel voltages in different positions of the remaining rows tend to be consistent, so that the display effect of the display panel can be more uniform, and the color shift phenomenon can be avoided.
- the source driver chip 13 includes an operational amplifier 200, a digital-to-analog conversion module 300, a voltage-current conversion module 400, a switching unit 500, and a controller (not shown).
- the operational amplifier 200 has a first input Terminal 210, a second input terminal 220, and a first output terminal 230, the first output terminal 230 is connected to the second input terminal 220, and the first output terminal 230 is configured to connect to the display area 11;
- the digital-to-analog conversion module 300 is connected to the first input terminal 210;
- the voltage-current conversion module 400 has a third input terminal 410 and a second output terminal 420, the third input terminal 410 and the first output terminal 230 Connected, the second output terminal 420 is connected to the second input terminal 220; when the source chip is in the first state, the controller is configured to control the switching unit 500 to communicate with the operational amplifier 200, the first output terminal 230 and the display area 11, when the source chip is in the second state, the controller is configured to control the switch unit 500 to communicate with the display area 11, the voltage The current conversion module 400 and the second input 220 of the operational amplifier 200.
- the voltage-current conversion module 400 is a high voltage input, a low current output, a low voltage input, and a high current output.
- the low current acts on the operational amplifier 200.
- the power of the operational amplifier 200 is low.
- the charging speed of the area where the pixel voltage is high is low; on the contrary, the area where the pixel voltage is low is converted into a high current by the voltage-current conversion module 400, and the high current acts on the operational amplifier 200.
- the operational amplifier 200 It has a high power and fast charging speed in the area where the pixel voltage is low. In this way, the pixel voltage in different areas tends to be consistent, which can improve the uniformity of the display effect of the display screen.
- the switch unit 500 includes a first switch 510 and a second switch 520, the first switch 510 is disposed between the first output terminal 230 and the display area 11, the second switch 520 is provided between the display area 11 and the third input terminal 410 of the voltage-current conversion module 400; when the first switch 510 is turned on and the second switch 520 is turned off, the source is driven
- the chip 13 is in the first state
- the controller is a timer. When the timer reaches a preset duration, the second switch 520 is turned on, the first switch 510 is turned off, and the source The driving chip 13 is in the second state.
- the first switch 510 is turned on and the second switch 520 is turned off to charge the display panel, and when the charging time reaches a preset duration T by the timer, it is turned off
- the first switch 510, turning on the second switch 520 can connect the pixel voltage to the voltage-current conversion module 400 inside the source driver chip 13; due to the delay of the signal in the fan-out area 12, the pixel voltage of the pixel is inconsistent.
- a switch 510 turning on the second switch 520 to feed back the pixel voltage to the voltage-current conversion module 400 of the source driver chip 13, the voltage-current conversion module 400 provides different I_REF (I_Reference, reference current) under different pixel voltages, when The larger the pixel voltage input by the voltage-current conversion module 400, the smaller the reference current it outputs; when the resistance of the fan-out area 12 becomes larger, the smaller the pixel voltage, that is, the larger the reference current output by the voltage-current conversion module 400; As the internal reference current of the source driver chip 13 increases, the driving capability of the source driver chip 13 increases, that is, the driving capability of the operational amplifier 200 inside the source driver chip 13 is strong, so that the pixel voltage at different positions can be consistent, Therefore, the problem of uneven display effect of the display panel can be solved.
- I_REF I_Reference, reference current
- a plurality of source lines 20 and a plurality of gate lines are provided in the display area 11, the source lines 20 and the gate lines cross to form a plurality of pixel units, and the display area 11
- the pixel unit in the first row within is set as the feedback row 100.
- a plurality of source lines 20 and a plurality of gate lines are poor to form a plurality of pixel units.
- the first row of pixel units are divided into a plurality of sub-regions by the plurality of source lines 20
- Each sub-region is connected to the output of one of the operational amplifiers 200. Since the initial pixel voltages in different sub-regions are different, the pixel voltages returned by the operational amplifier 200 corresponding to the different sub-regions are different, so that pixels in different sub-regions can be made The voltage tends to be uniform, thereby improving the uniformity of the display effect of the display panel.
- the function of the feedback line 100 is to detect pixel voltages of different sub-regions, so the feedback line 100 does not need to display colors. Therefore, in this embodiment, the feedback line 100 is configured as an achromatic filter setting. Specifically, each pixel unit except the feedback line 100 is provided with a color filter, each row of pixel units is set to the same color, and the feedback line 100 is the first row of pixel units; therefore, different colors can be displayed on the pixel units ; The feedback line 100 is configured as a colorless filter setting, therefore, the cost of the display panel can be significantly reduced.
- the feedback row 100 is designed with a black matrix.
- the black matrix can block the light and avoid the light from the backlight. In this way, even if the pixel voltage is not uniform at the beginning, it will not affect the normal display of the display panel.
- BM black matrix
- BOA black matrix attached to the array substrate 10
- the feedback line 100 is configured as a colorless filter setting, and the feedback line 100 is designed with a black matrix, so it does not affect the normal display of the display screen regardless of the voltage.
- the manufacturing steps of the black matrix are as follows: Step 1. Set several alignment marks on the substrate 10 corresponding to the feedback line 100; Step 2. Provide a black matrix photoresist system on the substrate 10 corresponding to the feedback line 100 Coating the black matrix photoresist system to form a photoresist layer that covers the feedback line 100; the black matrix photoresist system includes at least the following two components: negative photoresist and metal halide
- the metal halide is a material with a low optical density value when it is not illuminated, so that the photoresist layer is transparent when it is not exposed; Step 3.
- the design pattern exposes the photoresist layer through a photomask; the metal halide in the photoresist layer in the illumination area decomposes to form metal particles, so that the photoresist layer in the illumination area appears black, and the photoresist layer in the illumination area becomes Insoluble in developing solution; Step 4. Perform development process on the photoresist layer to remove the photoresist layer in the unilluminated area blocked by the photomask to form a black matrix.
- a plurality of fan-out wires 30 are provided in the fan-out area 12, the fan-out wires One end of 30 is connected to the source driver chip 13, and the other end of the fan-out wire 30 is connected to the source wire 20; the fan-out wire 30 is arranged symmetrically with respect to the middle of the fan-out region 12 in the longitudinal direction. Since the fan-out wires 30 are arranged symmetrically with respect to the middle in the longitudinal direction of the fan-out area 12, the signal delay effects on both sides of the fan-out area 12 can be made similar, so that the uniformity of the display effect of the display panel can be improved.
- the delay effect of the fan-out wires 30 at the position is similar.
- the resistance value of the fan-out wires 30 is gradually increased near the middle of the fan-out area 12 in the longitudinal direction.
- the length of the fan-out wire 30 is short, the longer the length of the fan-out wire 30, the greater the resistance of the fan-out wire 30, the stronger the signal delay effect of the fan-out wire 30, so the short-length fan-out wire 30 is set to have a large resistance
- the delay effects of the fan-out wires 30 at different positions can be made similar, so that the uniformity of the display effect of the display panel can be optionally improved.
- the present application also proposes a display device including the display panel.
- the specific structure of the display panel refers to the above embodiments. Since the display device proposed by the present application adopts all the technical solutions of all the above embodiments, at least All advantages brought by the technical solutions of the above embodiments will not be repeated here.
- the display device may be, but not limited to, a television, a display, or the like.
- the display device is a liquid crystal display; in other embodiments, the display device may also be an OLED display (Organic Light-Emitting Diode, organic electroluminescent diode display), etc.
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Abstract
Description
标号 | 名称 | 标号 | 名称 |
10 | 基板 | 400 | 电压电流转换模块 |
20 | 源极线 | 500 | 开关单元 |
30 | 扇出导线 | 210 | 第一输入端 |
11 | 显示区 | 220 | 第二输入端 |
12 | 扇出区 | 230 | 第一输出端 |
13 | 源极驱动芯片 | 410 | 第三输入端 |
100 | 反馈行 | 420 | 第二输出端 |
200 | 运算放大器 | 510 | 第一开关 |
300 | 数模转换模块 | 520 | 第二开关 |
Claims (20)
- 一种显示面板,其中,包括:基板,所述基板上设置有显示区、扇出区和源极驱动芯片;所述显示区内设有反馈行;所述源极驱动芯片具有第一状态和第二状态,当所述源极驱动芯片处于所述第一状态时,所述源极驱动芯片向所述反馈行输入第一数据信号,当所述源极驱动芯片处于所述第二状态时,所述反馈行的电压反馈至所述源极驱动芯片,以使所述源极驱动芯片向所述显示区的其余行输出第二数据信号,每列所述第一数据信号与所述第二数据信号的总和呈相等设置。
- 如权利要求1所述的显示面板,其中,所述源极驱动芯片包括:运算放大器,所述运算放大器具有第一输入端、第二输入端和第一输出端,所述第一输出端与所述第二输入端相连,所述第一输出端设置为连接所述显示区;数模转换模块,与所述第一输入端相连;电压电流转换模块,所述电压电流转换模块具有第三输入端和第二输出端,所述第三输入端与所述第一输出端相连,所述第二输出端与所述第二输入端相连;以及,开关单元和控制器,当所述源极芯片处于所述第一状态时,所述控制器设置为控制所述开关单元连通所述运算放大器的第一输出端和所述显示区,当所述源极芯片处于所述第二状态时,所述控制器设置为控制所述开关单元连通所述显示区、所述电压电流转换模块和所述运算放大器的第二输入端。
- 如权利要求2所述的显示面板,其中,所述开关单元包括第一开关和第二开关,所述第一开关设于所述第一输出端和所述显示区之间,所述第二开关设于所述显示区和所述电压电流转换模块的第三输入端之间;当所述第一开关导通,所述第二开关断开时,所述源极驱动芯片处于所述第一状态;所述控制器为计时器,当所述计时器达到预设时长时,所述第二开关导通,所述第一开关断开,所述源极驱动芯片处于所述第二状态。
- 如权利要求1所述的显示面板,其中,所述反馈行被配置为无彩色滤光片设置且所述反馈行采用黑色矩阵设计,以使所述反馈行成为无效行。
- 如权利要求4所述的显示面板,其中,所述反馈行采用黑色矩阵设计包括如下步骤:在反馈行所对应的基板上设置数个对位标记;提供黑色矩阵光阻体系,在反馈行所对应的基板上涂布所述黑色矩阵光阻体系,形成光阻层,所述光阻层覆盖所述反馈行。
- 如权利要求1所述的显示面板,其中,所述显示区内设有多条源极线和多条栅极线,所述源极线和所述栅极线交叉形成多个像素单元,所述显示区内的第一行像素单元设置为所述反馈行。
- 如权利要求6所述的显示面板,其中,多个所述源极线将所述反馈行分隔为多个像素单元,每一所述像素单元连接一个所述运算放大器的第一输出端。
- 如权利要求6所述的显示面板,其中,所述扇出区内设有多条扇出导线,所述扇出导线的一端连接所述源极驱动芯片,所述扇出导线的另一端连接所述源极线;所述扇出导线关于所述扇出区长度方向的中部呈对称设置。
- 如权利要求8所述的显示面板,其中,所述扇出导线的电阻值在靠近所述扇出区长度方向的中部呈递增设置。
- 如权利要求2所述的显示面板,其中,所述反馈行被配置为无彩色滤光片设置且所述反馈行采用黑色矩阵设计,以使所述反馈行成为无效行。
- 如权利要求10所述的显示面板,其中,所述反馈行采用黑色矩阵设计包括如下步骤:在反馈行所对应的基板上设置数个对位标记;提供黑色矩阵光阻体系,在反馈行所对应的基板上涂布所述黑色矩阵光阻体系,形成光阻层,所述光阻层覆盖所述反馈行。
- 如权利要求2所述的显示面板,其中,所述显示区内设有多条源极线和多条栅极线,所述源极线和所述栅极线交叉形成多个像素单元,所述显示区内的第一行像素单元设置为所述反馈行。
- 如权利要求12所述的显示面板,其中,多个所述源极线将所述反馈行分隔为多个像素单元,每一所述像素单元连接一个所述运算放大器的第一输出端。
- 如权利要求12所述的显示面板,其中,所述扇出区内设有多条扇出导线,所述扇出导线的一端连接所述源极驱动芯片,所述扇出导线的另一端连接所述源极线;所述扇出导线关于所述扇出区长度方向的中部呈对称设置。
- 如权利要求14所述的显示面板,其中,所述扇出导线的电阻值在靠近所述扇出区长度方向的中部呈递增设置。
- 一种显示装置,其中,所述显示装置包括显示面板,所述显示面板包括:基板,所述基板上设置有显示区、扇出区和源极驱动芯片;所述显示区内设有反馈行;所述源极驱动芯片具有第一状态和第二状态,当所述源极驱动芯片处于所述第一状态时,所述源极驱动芯片向所述反馈行输入第一数据信号,当所述源极驱动芯片处于所述第二状态时,所述反馈行的电压反馈至所述源极驱动芯片,以使所述源极驱动芯片向所述显示区的其余行输出第二数据信号,每列所述第一数据信号与所述第二数据信号的总和呈相等设置。
- 如权利要求16所述的显示装置,其中,所述源极驱动芯片包括:运算放大器,所述运算放大器具有第一输入端、第二输入端和第一输出端,所述第一输出端与所述第二输入端相连,所述第一输出端设置为连接所述显示区;数模转换模块,与所述第一输入端相连;电压电流转换模块,所述电压电流转换模块具有第三输入端和第二输出端,所述第三输入端与所述第一输出端相连,所述第二输出端与所述第二输入端相连;以及,开关单元和控制器,当所述源极芯片处于所述第一状态时,所述控制器设置为控制所述开关单元连通所述运算放大器的第一输出端和所述显示区,当所述源极芯片处于所述第二状态时,所述控制器设置为控制所述开关单元连通所述显示区、所述电压电流转换模块和所述运算放大器的第二输入端。
- 如权利要求17所述的显示装置,其中,所述开关单元包括第一开关和第二开关,所述第一开关设于所述第一输出端和所述显示区之间,所述第二开关设于所述显示区和所述电压电流转换模块的第三输入端之间;当所述第一开关导通,所述第二开关断开时,所述源极驱动芯片处于所述第一状态;所述控制器为计时器,当所述计时器达到预设时长时,所述第二开关导通,所述第一开关断开,所述源极驱动芯片处于所述第二状态。
- 如权利要求16所述的显示装置,其中,所述反馈行被配置为无彩色滤光片设置且所述反馈行采用黑色矩阵设计,以使所述反馈行成为无效行。
- 如权利要求16所述的显示装置,其中,所述显示区内设有多条源极线和多条栅极线,所述源极线和所述栅极线交叉形成多个像素单元,所述显示区内的第一行像素单元设置为所述反馈行。
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CN101727866A (zh) * | 2008-10-30 | 2010-06-09 | 三星电子株式会社 | 显示装置 |
TW201251308A (en) * | 2011-06-02 | 2012-12-16 | Fitipower Integrated Tech Inc | Negative feedback circuit and stability increase method thereof and source driver with the negative feedback circuit and control method thereof |
CN104678626A (zh) * | 2015-02-13 | 2015-06-03 | 厦门天马微电子有限公司 | 一种液晶显示器、其驱动方法及显示装置 |
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CN103886844A (zh) * | 2013-12-31 | 2014-06-25 | 深圳市华星光电技术有限公司 | 显示面板组件及其调节方法、显示装置 |
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CN101727866A (zh) * | 2008-10-30 | 2010-06-09 | 三星电子株式会社 | 显示装置 |
TW201251308A (en) * | 2011-06-02 | 2012-12-16 | Fitipower Integrated Tech Inc | Negative feedback circuit and stability increase method thereof and source driver with the negative feedback circuit and control method thereof |
JP2015175860A (ja) * | 2014-03-13 | 2015-10-05 | 三菱電機株式会社 | 液晶表示装置 |
CN104678626A (zh) * | 2015-02-13 | 2015-06-03 | 厦门天马微电子有限公司 | 一种液晶显示器、其驱动方法及显示装置 |
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