WO2019085609A1 - 显示屏幕的线路结构及终端 - Google Patents

显示屏幕的线路结构及终端 Download PDF

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Publication number
WO2019085609A1
WO2019085609A1 PCT/CN2018/102446 CN2018102446W WO2019085609A1 WO 2019085609 A1 WO2019085609 A1 WO 2019085609A1 CN 2018102446 W CN2018102446 W CN 2018102446W WO 2019085609 A1 WO2019085609 A1 WO 2019085609A1
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Prior art keywords
line
display area
main power
display
lines
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PCT/CN2018/102446
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English (en)
French (fr)
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梁德芳
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昆山国显光电有限公司
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Publication of WO2019085609A1 publication Critical patent/WO2019085609A1/zh
Priority to US16/427,619 priority Critical patent/US10997904B2/en

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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
    • G09G3/22—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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • 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
    • G09G2320/0223—Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal electrodes
    • 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
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management

Definitions

  • the present invention relates to a structure of a display screen, and more particularly to a line structure and a terminal of a display screen.
  • AMOLED active matrix organic light-emitting diode
  • advantages such as high chroma, high contrast, wide viewing angle, self-luminous and flexible display, and the like.
  • FIG. 1 in the current AMOLED circuit layout, due to the large size of the panel, the difference in resistance between ELVSS and ELVDD across the panel is excessively large, resulting in display unevenness.
  • the technical problem to be solved by the present invention cannot be solved by conventional techniques. It is known that the size of the panel of the active matrix organic light-emitting diode is increasing, which causes the voltage drop of the different sections to be too large, so that the optical characteristics of different positions on the panel are inconsistent, and the panel is unevenly displayed.
  • the present invention provides a line structure of a display screen, which includes:
  • the display substrate has a display area and a non-display area, and the main power line is configured to conduct a negative signal power (VSS) signal, the length of the main power line is less than the length of the long side of the display area, and the two lines are respectively associated with the main
  • the ends of the power lines are electrically connected, and the signal input sides along the display area respectively extend in opposite directions.
  • VSS negative signal power
  • the display area has a first side, a second side, a third side and a fourth side, and the first side is opposite to the second side, the first side phase Adjacent to the third side and the fourth side, the third side and the fourth side are opposite to each other, and the long sides of the display area are the third side and the fourth side.
  • one end of the main power line receives a negative signal power (VSS) signal from the first side of the display area, and the other end of the main power line extends to the The third side or the fourth side of the display area.
  • VSS negative signal power
  • the main power line includes two, and one end of the two main power lines receives a negative signal power signal from the first side of the display area, the two The other ends of the main power lines extend to the third side and the fourth side of the display area, and the other ends of the two main power lines are respectively connected to two lines.
  • the length of the main power line is half the length of the long side of the display area.
  • the line length of the two branches is less than the length of the long side of the display area.
  • the two branch lines include a first line and a second line, and the first line and the second line have the same line length.
  • the two branch lines include a first line and a second line, and the line cross-sectional area of the first line and the second line are the same.
  • the main power line and the two lines have the same line cross-sectional area.
  • the two branches are located on the same straight line extending path.
  • the main power supply line and the two branch lines are parallel to a signal input side of the display area.
  • the present invention also provides a terminal including the line structure of the above display screen.
  • the circuit structure of the display screen improves the shortcomings of the prior art.
  • the invention adopts the method of inputting the signal of the line on average to both ends of the screen, so that the signal strength received by the screen is consistent, and the difference of the resistance voltage drop is excessively large. The problem that causes uneven display.
  • Figure 1 is a schematic view of the prior art
  • FIG. 2 is a schematic view showing the line structure of a display screen of the present invention.
  • FIG. 2 is a schematic diagram of the circuit structure of the display screen of the present invention.
  • the present embodiment provides a line structure 1 for displaying a screen, which makes the brightness and color of the screen displayed on the display screen uniform by changing the internal line path.
  • the line structure 1 of the display screen includes a display substrate 11, a main power supply line 15, and two branch lines 17.
  • the display substrate 11 has the display area 111 and the non-display area 113.
  • the main power line 15 is for receiving and transmitting a negative signal power (VSS) signal, and the length of the main power line 15 is less than the length of the long side of the display area 111.
  • the two branches 17 are electrically connected to the ends of the main power supply line 15, respectively, and extend in opposite directions along the signal input sides of the display area 111, respectively.
  • the display substrate 11 has a display area 111 and a non-display area 113.
  • the non-display area 113 is disposed in the display area 111, that is, the display area 111 is located in the non-display area 113, wherein the display area 111 has a first side 112, a second side 114, a third side 116 and a fourth side 118, the first side With respect to the second side 114, the first side 112 is adjacent to the third side 116 and the fourth side 118, ie, the third side 116 and the fourth side 118 are opposite each other.
  • the third side 116 and the fourth side 118 are the long sides of the display area.
  • the main power source line 15 is disposed in the non-display area 113 of the display substrate 11. One end of the main power line 15 is connected to the first side 112 of the display area for receiving a negative signal power (VSS) signal, and the other end of the main power line 15 extends to the third side 116 or the fourth side of the display area 111. 118.
  • VSS negative signal power
  • the other end of the main power line 15 extends toward the display area 111, thereby extending the two lines 17 apart.
  • the two lines 17 are the first line 171 and the second line 173, respectively.
  • the first line 171 extends toward the one end direction along the side of the third side 116 of the display area 111 (ie, the signal input side), and until the end of the first line 171 extends to the end of the third side 116 of the display area 111
  • the first line 171 is electrically coupled to the display area 111.
  • the second line 173 also extends along the side of the third side 116 of the display area 111 toward the other end direction until the end of the second line 173 extends to the other end of the third side 116 of the display area 111, and The second line 173 is electrically coupled to the display area 111.
  • the main power line 15 on the fourth side 118 ie, the right side
  • the line lengths of the main power line 15 and the two lines 17 described above are smaller than the length of the long side of the display panel.
  • the main power source line 15 is a signal line of a negative signal power supply (VSS).
  • the first line 171 and the second line 173 are parallel to the third side 116 of the display area 111 (ie, the signal input side).
  • the first line 171 and the second line 173 may be located on the same straight line extending path.
  • the main power line 15 receives the negative signal power (VSS) signal, and the main power line 15 transmits the signal to the third side 116 or the fourth side 118 of the display area 111 (ie, not the third).
  • the two ends of the side 116 or the fourth side 118 are further transmitted to the first line 171 and the second line 173, respectively, and further to the display area 111.
  • the length of the single trace from the start end of the display area 111 to the end of the display area 111 i.e., the long side length of the display area 111) is long, so the signal intensity at the start end is significantly different from the signal strength at the end.
  • the main power supply line 15 of the present embodiment first transmits the negative-direction signal power supply (VSS) signal to the end, the signal strength thereof is routed to the first line 171 (or the second line 173) to the display area 111, so The length of the end of the power line 15 to the first line 171 (or the second line 173) is short, so the difference between the signal strength of the end signal of the main power line 15 and the end signal of the first line 171 (or the second line 173) is small. This makes it possible to effectively reduce the display unevenness of the display panel.
  • VSS negative-direction signal power supply
  • the length of the line path of the first line 171 and the second line 173 is the same, and the cross-sectional area of the line of the first line 171 and the second line 173 is also the same, so that it can be optimized. Reduce the display unevenness of the display panel.
  • the embodiment provides a line structure of a display screen that extends from the non-display area to the left and right sides (ie, the third side and the fourth side) of the display area through the main power line.
  • the extended end of each main power line is electrically connected to the two lines, and the two lines extend in opposite directions along the signal input side, and are electrically coupled to the display area.
  • the signal intensity commonly outputted by the end of the main power supply line is shortened in the distribution distance allocated to the display area, so the difference in signal intensity in the display area is significantly reduced.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

本发明公开一种显示屏幕的线路结构，其包含其包含显示基板、主电源线与二主线路。显示基板具有显示区域与非显示区域，主电源线用于传导负向信号电源(VSS)信号，所述主电源线的长度小于所述显示区域长边的长度，二支线路分别与所述主电源线的末端电连接，并且沿着所述显示区域的信号输入侧边分别朝向相反的方向延伸。显示区域两侧输入的信号强度差异小，减少有显示不均的现象。

Description

显示屏幕的线路结构及终端
交互参考
本申请要求2017年10月31日递交的申请号为201721426887.6、名称为“显示屏幕的线路结构”的中国专利的优先权，本申请参考引用了如上所述申请的全部内容。
技术领域
本发明涉及一种显示屏幕的结构，尤其涉及一种显示屏幕的线路结构及终端。
背景技术
随着电子产业的高速发展，电子产品的普及率更是越来越高，如计算机、平板或手机等等。上述的电子产品已变成人们日常生活的必需品。AMOLED(即主动矩阵有机发光二极体)为一种高色度、高对比度、宽视角、自发光与可柔性显示等等优点，其已经被广泛的应用。请参阅图1，当前的AMOLED的电路布局中，由于面板尺寸大，其会导致面板两端的ELVSS和ELVDD的电阻压降差异过大，从而引起显示不均匀现象。
发明内容
有鉴于此，本发明所要解决的技术问题为无法通过习知技术解决。习知有关于主动矩阵有机发光二极的面板尺寸不断增大，其会导致不同区间的电阻压降过大，从而导至面板上不同位置的光学特性不一致，使面板显示不均的现象。
为了解决上述问题，本发明提供一种显示屏幕的线路结构，其包含：
显示基板、主电源线与二支线路。显示基板具有显示区域与非显示区域，主电源线用于传导负向信号电源(VSS)信号，所述主电源线的长度小于所述显示区域长边的长度，二支线路分别与所述主电源线的末端电连接，并且 沿着所述显示区域的信号输入侧边分别朝向相反的方向延伸。
根据本发明的一实施方式，上述的所述显示区域具有第一侧、第二侧、第三侧与第四侧，所述第一侧相对于所述第二侧，所述第一侧相邻于所述第三侧与所述第四侧，所述第三侧与所述第四侧互相相对，所述显示区域的长边为所述第三侧边与所述第四侧边。
根据本发明的一实施方式，上述的所述主电源线的一端自所述显示区域的所述第一侧接受负向信号电源(VSS)信号，所述主电源线的另一端延伸至所述显示区域的所述第三侧或所述第四侧。
根据本发明的一实施方式，上述的所述主电源线包括两根，所述两根主电源线的一端都自所述显示区域的所述第一侧接收负向信号电源信号，所述两根主电源线的另一端分别延伸至所述显示区域的所述第三侧和所述第四侧，所述两根主电源线的另一端分别连接二支线路。
根据本发明的一实施方式，上述的所述主电源线的长度为所述显示区域长边的长度的一半。
根据本发明的一实施方式，上述的所述二支线路的线路长度小于所述显示区域长边的长度。
根据本发明的一实施方式，上述的所述二支线路包含第一线路与第二线路，所述第一线路与所述第二线路的线路长度相等。
根据本发明的一实施方式，上述的所述二支线路包含第一线路与第二线路，所述第一线路与所述第二线路的线路截面积相同。优选地，其中所述主电源线与所述二支线路的线路截面积相同。
根据本发明的一实施方式，上述的所述二支线路位于同一条直线延伸的路径上。
根据本发明的一实施方式，上述的所述主电源线与所述二支线路平行于所述显示区域的信号输入侧边。
为解决上述技术问题，本发明还提供了一种终端，所述终端包括上述显 示屏幕的线路结构。
通过此种显示屏幕的线路结构改良现有技术的缺点，本发明是采用将线路的信号平均输入到屏幕的两端方式，如此屏幕所接收的信号强度一致，降低电阻压降的差异过大，而导致显示不均的问题。
附图说明
此处所说明的附图用来提供对本发明的进一步理解，构成本发明的一部分，本发明的示意性实施方式及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1其为现有技术的示意图；以及
图2其为本发明的显示屏幕的线路结构的示意图。
具体实施方式
以下将以附图揭露本发明的多个实施方式，为明确说明起见，许多实务上的细节将在以下叙述中一并说明。然而，应了解到，这些实务上的细节不应用以限制本发明。也就是说，在本发明的部分实施方式中，这些实务上的细节是非必要的。此外，为简化附图起见，一些习知惯用的结构与组件在附图中将以简单的示意的方式绘示的。
请参阅图2，其为本发明的显示屏幕的线路结构的示意图。如图所示，本实施方式提供一种显示屏幕的线路结构1，其藉由改变内部的线路路径，使显示屏幕所显示的画面亮度与色彩均匀。显示屏幕的线路结构1包含显示基板11、主电源线15与二支线路17。
承上所述，显示基板11具有显示区域111与非显示区域113。主电源线15用于接收并传递负向信号电源(VSS)信号，主电源线15的长度小于显示区域111长边的长度。二支线路17分别与主电源线15的末端电连接，并且沿着显示区域111的信号输入侧边分别朝向相反的方向延伸。
于本实施方式中，显示基板11具有显示区域111与非显示区域113。非 显示区域113环设于显示区域111，即显示区域111位于非显示区域113内，其中显示区域111具有第一侧112、第二侧114、第三侧116与第四侧118，第一侧112相对于第二侧114，第一侧112相邻于第三侧116与第四侧118，即第三侧116与第四侧118互相相对。其中第三侧116与第四侧118为显示区域的长边。主电源线15设置于显示基板11的非显示区域113。主电源线15的一端连接于显示区域的第一侧112，其用于接受负向信号电源(VSS)信号，主电源线15的另一端延伸至显示区域111的第三侧116或第四侧118。
又，以位于第三侧116(即左侧)的主电源线15来说，主电源线15的另一端(即电源线的末端)向显示区域111延伸，进而延伸分出二支线路17，二支线路17分别为第一线路171与第二线路173。第一线路171沿着显示区域111的第三侧116的侧边(即信号输入侧边)而朝向一端方向延伸,而直到第一线路171的末端延伸到显示区域111的第三侧116的末端，并且第一线路171电性耦接于显示区域111。第二线路173同样沿着显示区域111的第三侧116的侧边而朝向另一端方向延伸，直到第二线路173的末端延伸到显示区域111的第三侧116的另一末端则停止，并且第二线路173电性耦接于显示区域111。另外，位于第四侧118(即右侧)的主电源线15也相同于位于第三侧116的主电源线15的设置方式，故不再赘述。上述的主电源线15与二支线路17的线路长度小于显示面板的长边长度。
再者，于本实施方式中，主电源线15为负向信号电源(VSS)的信号线路。第一线路171与第二线路173平行于显示区域111的第三侧116(即信号输入侧边)。第一线路171与第二线路173可位于同一条直线延伸的路径上。
于本实施方式中，主电源线15接收负向信号电源(VSS)信号，而主电源线15将信号先传递至显示区域111的第三侧116或第四侧118的位置(即非第三侧116或第四侧118的两端位置)，其再分别将信号传递第一线路171与第二线路173，进而传递至显示区域111。通常单一走线由显示区域111的起始端至显示区域111的末端的走线路径(即显示区域111的长边长度)的长度 长，所以起始端的信号强度与末端的信号强度差异较大。而本实施方式的主电源线15先传递负向信号电源(VSS)信号至末端后，其信号强度在分第一线路171(或第二线路173)的走线至显示区域111，所以由主电源线15末端至第一线路171(或第二线路173)的长度短，所以主电源线15的末端信号与第一线路171(或第二线路173)的末端信号的信号强度差异较小，如此能够有效降的显示面板的显示不均问题。
于本实施方式中，更进一步透过将第一线路171与第二线路173的线路路径长度相同，而第一线路171与第二线路173的线路的截面积也相同的方式，如此能优化的降低显示面板的显示不均问题。
综上所述，本实施例提供一种显示屏幕的线路结构，其透过主电源线由非显示区域延伸至显示区域的左、右两侧(即第三侧与第四侧)。每一个主电源线的延伸末端电连接于二支线路，二支线路沿着信号输入侧边分别朝向相反的方向延伸后，再电性耦接至显示区域。如此由主电源线的末端共同输出的信号强度，其在分配至显示区域内的走线距离缩短，所以显示区域内信号强度的差异会明显减小。
上述说明示出并描述了本发明的若干优选实施方式，但如前所述，应当理解本发明并非局限于本文所披露的形式，不应看作是对其他实施方式的排除，而可用于各种其他组合、修改和环境，并能够在本文所述发明构想范围内，通过上述教导或相关领域的技术或知识进行改动。而本领域人员所进行的改动和变化不脱离本发明的精神和范围，则都应在本发明所附权利要求的保护范围内。

Claims (11)

  1. 一种显示屏幕的线路结构，其包含：
    显示基板，其具有显示区域与非显示区域；
    主电源线，其用于传导负向信号电源信号，所述主电源线的长度小于所述显示区域长边的长度；以及
    二支线路，其分别与所述主电源线的末端电连接，并且沿着所述显示区域的信号输入侧边分别朝向相反的方向延伸。
  2. 如权利要求1所述的显示屏幕的线路结构，其中，
    所述显示区域具有第一侧、第二侧、第三侧与第四侧，所述第一侧相对于所述第二侧，所述第一侧相邻于所述第三侧与所述第四侧，所述第三侧与所述第四侧互相相对，所述显示区域的长边为所述第三侧边与所述第四侧边。
  3. 如权利要求2所述的显示屏幕的线路结构，其中，所述主电源线的一端自所述显示区域的所述第一侧接受负向信号电源信号，所述主电源线的另一端延伸至所述显示区域的所述第三侧或所述第四侧。
  4. 根据权利要求2所述的显示屏幕的线路结构，其中，
    所述主电源线包括两根，所述两根主电源线的一端都自所述显示区域的所述第一侧接收负向信号电源信号，所述两根主电源线的另一端分别延伸至所述显示区域的所述第三侧和所述第四侧，所述两根主电源线的另一端分别连接二支线路。
  5. 如权利要求1所述的显示屏幕的线路结构，其中，所述主电源线的长度为所述显示区域长边的长度的一半。
  6. 如权利要求1所述的显示屏幕的线路结构，其中，所述二支线路的线路长度小于所述显示区域长边的长度。
  7. 如权利要求1所述的显示屏幕的线路结构，其中，所述二支线路包含第一线路与第二线路，所述第一线路与所述第二线路的线路长度相等。
  8. 如权利要求1所述的显示屏幕的线路结构，其中，所述二支线路包含 第一线路与第二线路，所述第一线路与所述第二线路的线路截面积相同，其中所述主电源线与所述二支线路的线路截面积相同。
  9. 如权利要求1所述的显示屏幕的线路结构，其中，所述二支线路位于同一条直线延伸的路径上。
  10. 如权利要求1所述的显示屏幕的线路结构，其中，所述主电源线与所述二支线路平行于所述显示区域的信号输入侧边。
  11. 一种终端，包括上述1-10中任一项所述的显示屏幕的线路结构。
PCT/CN2018/102446 2017-10-31 2018-08-27 显示屏幕的线路结构及终端 WO2019085609A1 (zh)

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