WO2019071817A1 - 一种显示装置 - Google Patents
一种显示装置 Download PDFInfo
- Publication number
- WO2019071817A1 WO2019071817A1 PCT/CN2017/117307 CN2017117307W WO2019071817A1 WO 2019071817 A1 WO2019071817 A1 WO 2019071817A1 CN 2017117307 W CN2017117307 W CN 2017117307W WO 2019071817 A1 WO2019071817 A1 WO 2019071817A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- conductive
- circuit board
- display panel
- conductive trace
- display device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
Definitions
- the present application relates to the field of display technologies, and in particular, to a display device.
- the display will inevitably encounter electrostatic discharge (ESD) during actual use. If the ESD protection is not good, the display may be injured and cannot be displayed normally.
- ESD electrostatic discharge
- the display uses a plastic front frame, so that when static electricity is encountered, static electricity is not released from the path, and it is likely to damage the driver integrated circuit (IC) chip on the flexible circuit board.
- a conductive cloth is basically placed on the plastic front frame, and then the conductive cloth is connected to the conductive back plate, so that ESD is released from the conductive cloth. But this will increase material and labor costs.
- Embodiments of the present application provide a display device that can achieve electrostatic protection without increasing labor costs and material costs.
- an embodiment of the present application provides a display device, including:
- a display panel wherein the display panel is provided with a first conductive trace
- a flexible circuit board the flexible circuit board is disposed at an edge of the display panel, and is electrically connected to the display panel, wherein the flexible circuit board surface is provided with a plurality of exposed conductive detection points, and the conductive detection a point is connected to the first conductive trace through a second conductive trace inside the flexible circuit board;
- circuit board is electrically connected to the display panel and the flexible circuit board, and the circuit board is electrically connected to the first conductive trace and the second conductive trace a third conductive trace, wherein the circuit board is provided with a first hole position corresponding to the position of the third conductive trace;
- a conductive backplane the conductive backplane is disposed on a back surface of the display panel, and the conductive backplane is provided with a second hole position corresponding to the first hole position, and the conductive backplane is The circuit board is fixed by a conductive connection member passing through the first hole position and the second hole position; [0014] The conductive detection point is connected to the first hole through the first conductive trace, the second conductive trace, and the third conductive trace.
- an embodiment of the present application provides another display device, including:
- a display panel wherein the display panel is provided with a first conductive trace
- a flexible circuit board the flexible circuit board is disposed at an edge of the display panel, and is electrically connected to the display panel, wherein the flexible circuit board surface is provided with a plurality of exposed conductive detection points, and the conductive detection The point is evenly distributed around the display panel, and the conductive detection point is connected to the first conductive trace through a second conductive trace inside the flexible circuit board;
- circuit board is electrically connected to the display panel and the flexible circuit board, and the circuit board is electrically connected to the first conductive trace and the second conductive trace a third conductive trace, wherein the circuit board is provided with a first hole position corresponding to the position of the third conductive trace;
- a conductive backplane the conductive backplane is disposed on a back surface of the display panel, and the conductive backplane is provided with a second hole corresponding to the first hole position, and the conductive backplane is
- the circuit board is fixed by a conductive connection member passing through the first hole position and the second hole position, the first hole position and the second hole position are screw holes, and the conductive connection member is a conductive screw ;
- the conductive detection point and the first hole position are connected by the first conductive trace, the second conductive trace and the third conductive trace;
- the conductive detection point is a convex circular shape
- a surface of the circuit board of the first hole edge is provided with a conductive contact layer for contacting the conductive connection member with the third conductive trace.
- the conductive contact layer is formed by welding a metal conductive ring.
- the embodiment of the present application provides another display device, including:
- a display panel wherein the display panel is provided with a first conductive trace
- a flexible circuit board the flexible circuit board is disposed at an edge of the display panel, and is electrically connected to the display panel, wherein the flexible circuit board surface is provided with a plurality of exposed conductive detection points, and the conductive detection a point is connected to the first conductive trace through a second conductive trace inside the flexible circuit board;
- a circuit board the circuit board is electrically connected to the display panel and the flexible circuit board, and the circuit board is electrically connected to the first conductive trace and the second conductive trace a third conductive trace, wherein the circuit board is provided with a first hole position corresponding to the position of the third conductive trace; a conductive backplane, the conductive backplane is disposed on a back surface of the display panel, and the conductive backplane is provided with a second hole corresponding to the first hole, the conductive backplane and the The circuit board is fixed by a conductive connection member passing through the first hole position and the second hole position;
- a middle frame configured to clamp and fix the display panel in cooperation with the front frame
- a back cover, the display panel, the flexible circuit board, the circuit board, and the conductive backplane are packaged in cooperation with the front frame and the middle frame;
- the conductive detection point is connected to the first hole through the first conductive trace, the second conductive trace, and the third conductive trace, the first hole
- the surface of the circuit board on the edge is provided with a conductive contact layer for contacting the conductive connection with the third conductive trace.
- Embodiments of the present application provide a plurality of exposed conductive detection points on a surface of a flexible circuit board, and the conductive detection points are connected to the first hole through the second conductive traces, the first conductive traces, and the third conductive traces.
- a second hole corresponding to the first hole position is disposed on the conductive back plate, and the first hole position and the second hole position are communicated through the conductive connection member, so that the conductive detection point communicates with the conductive back plate, and the display panel has a surface
- the static electricity is discharged, and the static electricity is discharged to the conductive back plate through the conductive detection point, the second conductive trace, the first conductive trace, the third conductive trace and the conductive connecting member, so that the workpiece and the material cost are not increased. Realize electrostatic discharge and play the role of static electricity protection.
- FIG. 1 is a schematic plan view showing a display device according to an embodiment of the present application.
- FIG. 2 is a partial structural diagram of a display device according to an embodiment of the present application.
- FIG. 3 is a schematic diagram showing another partial structure of a display device according to an embodiment of the present application.
- FIG. 4 is a schematic diagram of another partial structure of a display device according to an embodiment of the present application.
- a display device includes a display panel 100 , a flexible circuit board ( COF ) 200 , a circuit board (PCB ) 300 , and a conductive backplane . 400.
- the first conductive trace 101 is disposed in the display panel 100.
- the flexible circuit board 200 is disposed on the edge of the display panel 100 and electrically connected to the display panel 100.
- the surface of the flexible circuit board 200 is provided with a plurality of exposed conductive detection points 210.
- the detection point 210 is connected to the first conductive trace 101 through the second conductive trace 201 inside the flexible circuit board 200; the circuit board 300 is electrically connected to the display panel 100 and the flexible circuit board 200, and the circuit board 300 is provided with the first
- the third conductive trace 301 is electrically connected to the conductive trace 101 and the second conductive trace 201.
- the circuit board 300 is provided with a first hole 310 corresponding to the position of the third conductive trace 301.
- the conductive backplane 400 is disposed on the display.
- a second hole 410 corresponding to the first hole 310 is disposed on the back surface of the panel 100.
- the conductive back plate 400 and the circuit board 300 pass through the first hole 310 and the second hole 410.
- the conductive connection member 500 is fixed; the conductive detection point 210 and the first hole 310 are connected by the first conductive trace 101, the second conductive trace 201 and the third conductive trace 301.
- a trace for electrically connecting various components is provided on the flexible circuit board (COF) 200, the glass substrate of the display panel 100, and the circuit board (PC B) 300.
- the flexible circuit board 200 is disposed at the edge of the display panel 100 and distributed around the display panel 100 and electrically connected to the display panel 100.
- the surface of the flexible circuit board 200 is covered with an insulating protective layer to protect the internal wiring.
- it in order to release the static electricity on the surface of the display panel 100, it is necessary to provide a bare conductive detection point 210 on the surface of the flexible circuit board 200. There may be multiple conductive detection points 210 for attracting static electricity on the surface of the display panel 100.
- the static electricity on the surface of the display panel 100 has a target of release.
- Corresponding second conductive traces 201 are assigned to each of the conductive detection points 210.
- the second conductive traces 201 are trace paths in the flexible circuit board 200 that do not pass through any electronic components and are connected to the display panel 100. In order to transfer the static electricity hitting the conductive detection point 210.
- Conducting static electricity on the first conductive trace 101 on the display panel 100, and then passing through the first conductive The trace 101 leads to the third conductive trace 301 on the circuit board 300.
- the first conductive trace 101 and the third conductive trace 301 are traces on the display panel 100 and the circuit board 300 that do not pass through any electronic components. path.
- a first hole 310 is disposed on the circuit board 300.
- the first hole 310 is disposed corresponding to the position of the third conductive trace 301 and disposed on the path of the third conductive trace 301.
- the conductive backplane 400 is disposed on the back surface of the display panel 100, that is, the back surface of the display screen, and has a second hole position 410 on the conductive back plate 400.
- the position of the second hole position 410 corresponds to the first hole position on the circuit board 300.
- the purpose is to fix the circuit board and the conductive backplane through the connecting member during the assembly process.
- the conductive connecting member 500 is used, and the conductive connecting member 500-end is connected to the first hole 410.
- the conductive traces 201, the first conductive traces 101, the third conductive traces 301, and the conductive connectors 500 allow static electricity on the surface of the display panel 100 to be discharged to the conductive backplane 400 through the vias. Since the charge will select the closest and easiest path to release, when the entire device encounters static electricity, it will be led to the conductive detection point 210, and the conductive trace point 210 passes through the connected second conductive trace 201, the first conductive trace.
- the 101 and the third conductive traces 301 are led to the conductive connecting member 500 and are released by the conductive backplane 400 connected to the conductive connecting member 500 so as not to drive the integrated circuit chip or other electronic components of the flexible circuit board 200.
- the effect is caused by the internal wiring of the device to achieve the purpose of electrostatic discharge and static electricity protection without adding additional work and material costs.
- the conductive backplane 400 can be, for example, a metal backplane.
- the conductive traces may also be additional circuits in the fabrication process of the flexible circuit board 200, the display panel 100, and the circuit board 300 for achieving electrostatic discharge, which are formed together during the processing process.
- the cost required is also very low. If the existing line of the display device cannot meet the path of no-load release, the subsequent routing process can be improved.
- the conductive detection points 210 are evenly distributed around the display panel 100.
- static electricity may be generated anywhere, and the conductive detection points 100 are evenly distributed around the display panel 100, so that the static electricity is quickly and comprehensively released.
- first hole position 310 and the second hole position 410 are screw holes, and the conductive connection member 500 is a conductive screw.
- the first hole position 310 and the second hole position 410 may be, for example, screw holes respectively disposed on the circuit board 300 and the conductive back plate 400, and the purpose is to provide a conductive connection member.
- 500 fits through and conducts back
- the board and circuit board 300 are fixed, and the conductive connector 500 is electrically conductive to extract static electricity, allowing static electricity to be released through the path designed in this embodiment.
- the conductive connector 500 is a conductive screw that fits the first hole 310 and the second hole 410, and may be a conventional conductive metal screw.
- first hole position 310 and the second hole position 410 may also be a screw hole.
- first hole position 310, the second hole position 410 and the conductive connection member 500 may also be connected. It is realized by other connection methods, such as card connection.
- the conductive connection member 500 between the circuit board 300 and the conductive backplane 400 may also be, for example, a conductive cloth, which is adhered together by a conductive cloth, and the conductive connection member 500 only needs to be transmitted to the circuit.
- the purpose of the static electricity on the board 300 to be guided to the conductive backplane 400 is sufficient.
- the first conductive trace 101 is located at the outermost periphery of the circuit layer in the display panel 100.
- the first conductive trace 101 selects a line located at the outermost side of the circuit layer on the display panel 100, such as an edge area outside the display area on the display panel 100, so as to avoid interference to the display area.
- the conductive detection point 210 has a convex circular shape.
- the conductive detection point 210 can be designed as a convex circular structure, and the convex structure can facilitate the conduction of static electricity to the conductive detection point 210, which is more likely to attract the release of static charge.
- the shape of the conductive detecting point 210 can be designed according to specific needs, and only needs to satisfy a conductive material capable of attracting static charges.
- the surface of the circuit board 300 at the edge of the first hole 310 is provided with a conductive contact layer 320 for contacting the conductive connector 500 with the third conductive trace 301.
- the surface of the circuit board 300 at the first hole location 310 is provided with a conductive contact layer 320, and the conductive contact layer 320 is connected to the third conductive trace 301 for the purpose of allowing the conductive connector 500 to follow
- the third conductive trace 301 is better turned on because the conductive connector 500 is aligned with the second hole 410 through the first hole 310 and the outer wall of the conductive connector 500 is insulative.
- the substrate of 300 may be in contact with the third conductive trace 301 on the surface of the substrate of the circuit board 300.
- the use of the conductive contact layer 320 may improve the stability of the electrostatic discharge path.
- the conductive contact layer is formed by welding a metal conductive ring.
- the display device further includes:
- Front frame 600, middle frame 700, and rear cover 800 cooperates with the front frame 600 to perform the display panel 100
- the front cover 800 cooperates with the front frame 600 and the middle frame 700 to package the display panel 100, the flexible circuit board 200, the circuit board 300, and the conductive backplane 400.
- the front frame 600 is disposed at the front end of the display panel 100, and cooperates with the middle frame 700 to clamp and fix the display panel.
- the back cover 800 cooperates with the front frame 600 and the middle frame 700 to perform the entire display device.
- the package is integrally formed to protect the outer casing of the display device, supports various parts inside the display device, and functions as a dustproof protection.
- front frame 600, the middle frame 700 and the rear cover 800 are integrally formed by plastic.
- the outer casing of the display device such as the front frame 600, the middle frame 700, and the rear cover 800 are integrally formed by plastic.
- the weight thereof is greatly reduced, thereby reducing the weight of the entire display device, and the plastic material is relatively cheap compared with the metal material, and the manufacturing process is relatively simple, and the plastic material is greatly used.
- the cost of generating the display device housing is reduced.
- the materials of the outer casing 600, the middle frame 700 and the rear cover 800 are not limited to the plastics in the embodiment of the present application, and may be other non-metallic insulating materials, and may even be used under certain circumstances. Metal materials are produced.
- the conductive back plate 400 is made of iron.
- the conductive back plate 400 is made of iron.
- the conductive back plate 400 may also be made of other metal materials.
- Another display device provided by the embodiment of the present invention includes a display panel 100, a flexible circuit board 200, a circuit board 300, a conductive backplane 400, a conductive connecting member 500, and a conductive contact layer 320.
- the display panel 100 is provided in the display panel 100.
- the first conductive trace 101 is disposed on the edge of the display panel 100 and electrically connected to the display panel 100.
- the surface of the flexible circuit board 200 is provided with a plurality of exposed conductive detection points 210, and the conductive detection points 210 are evenly distributed.
- the conductive detection point 210 is connected to the first conductive trace 101 through the second conductive trace 201 inside the flexible circuit board 200.
- the circuit board 300 is electrically connected to the display panel 100 and the flexible circuit board 200, and the circuit The board 300 is provided with a third conductive trace 301 electrically connected to the first conductive trace 101 and the second conductive trace 201.
- the circuit board 300 is provided with a first hole 31 corresponding to the position of the third conductive trace 301.
- the conductive backplane 400 is disposed on the back surface of the display panel 100.
- the conductive backplane 400 is provided with a second hole 410 corresponding to the first hole 310.
- the conductive backplane 400 and the circuit board 300 pass through the first hole.
- the conductive connector 500 of the bit 410 is fixed, and the first hole 310 and the second hole 410 are screw holes, and the conductive connector 500
- the conductive detection point 210 is connected to the first hole 310 through the first conductive trace 101, the second conductive trace 201, and the third conductive trace 301; wherein the conductive detection point 210 is a convex circle
- the surface of the circuit board 300 at the edge of the first hole 310 is provided with a conductive contact layer 320 for contacting the conductive connecting member 500 with the third conductive trace 301.
- the conductive contact layer 320 is formed by welding a metal conductive ring.
- the conductive detection points 210 pass through the second conductive traces 201, the first conductive traces 101, and the third conductive traces 301 and A hole 310 is connected, and a second hole 410 corresponding to the first hole 310 is disposed on the conductive back plate 400, and the first hole 310 and the second hole 410 are communicated through the conductive connection 500, so that the conductive detection point
- the 210 is connected to the conductive backplane 4 00, and has an electrostatic ⁇ on the surface of the display panel 100.
- the static electricity passes through the conductive detecting point 210, the second conductive trace 201, the first conductive trace 101, the third conductive trace 301, and the conductive connecting member 500.
- Leading to the conductive backplane 400 is released, thereby achieving electrostatic discharge without increasing the cost of work and materials, and acting as an electrostatic shield.
- the surface of the circuit board 300 at the edge of the first hole 310 is provided with a conductive contact layer 320 for contacting the conductive connecting member 500 with the third conductive trace 301, thereby improving the stability of the electrostatic discharge path.
- display panel 100 is, for example, an LCD display panel, a QLED display panel, an OLED display panel, a curved panel, or other display panel.
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Abstract
一种显示装置包括:显示面板(100),显示面板(100)内的第一导电走线(101);柔性电路板(200),柔性电路板(200)表面的导电检测点(210)及内部的第二导电走线(201);电路板(300),电路板(300)上的第三导电走线(301),电路板(300)上的第一孔位(310);导电背板(400),导电背板(400)上的第二孔位(410),穿过第一孔位(310)和第二孔位(410)的导电连接件(500)。通过在柔性电路板(200)表面设置导电检测点(210),导电检测点(210)与第一孔位(310)相连,并在导电背板(400)上开设对应第一孔位(310)的第二孔位(410),通过导电连接件(500)连通第一孔位(310)和第二孔位(410),使得导电检测点(210)与导电背板(400)相通,在显示面板(100)表面有静电时,静电经通过内部走线被引导至导电背板(400)释放掉,从而在不增加工时和材料成本的情况下实现静电释放,起到静电防护的作用。
Description
一种显示装置
技术领域
[0001] 本申请涉及显示技术领域, 尤其涉及一种显示装置。
[0002]
[0003] 背景技术
[0004] 显示器在实际使用过程中难免会碰到静电释放 (ESD) , 如果 ESD防护能力不 好, 显示屏就有可能被击伤而不能正常显示。 目前, 为了节约成本, 显示器都 会使用塑料前框, 这样当遇到静电吋, 静电没有路径释放, 就很可能击伤柔性 电路板上的驱动集成电路 (IC) 芯片。
[0005] 现在基本都会在塑料前框上贴一圈导电布, 然后导电布接到导电背板, 这样有 ESD吋, 就会从导电布释放掉。 但是这样会增加材料成本和人工成本。
[0006]
[0007] 申请内容
[0008] 本申请的实施例提供了一种显示装置, 可在不增加人工成本和材料成本的情况 下达到静电防护的目的。
[0009] 一方面, 本申请实施例提供了一种显示装置, 其包括:
[0010] 显示面板, 所述显示面板内设有第一导电走线;
[0011] 柔性电路板, 所述柔性电路板设置于所述显示面板边缘, 并与所述显示面板电 性相连, 所述柔性电路板表面设有多个裸露的导电检测点, 所述导电检测点通 过所述柔性电路板内部的第二导电走线与所述第一导电走线相连;
[0012] 电路板, 所述电路板与所述显示面板及所述柔性电路板电性相连, 所述电路板 上设有与所述第一导电走线和第二导电走线电性相连的第三导电走线, 所述电 路板上设有对应所述第三导电走线位置的第一孔位;
[0013] 导电背板, 所述导电背板设置于所述显示面板的背面, 所述导电背板上幵设有 对应所述第一孔位的第二孔位, 所述导电背板与所述电路板由穿过所述第一孔 位和所述第二孔位的导电连接件固定;
[0014] 所述导电检测点与所述第一孔位之间通过所述第一导电走线、 所述第二导电走 线以及所述第三导电走线相连。
[0015] 另一方面, 本申请实施例提供了另一种显示装置, 其包括:
[0016] 显示面板, 所述显示面板内设有第一导电走线;
[0017] 柔性电路板, 所述柔性电路板设置于所述显示面板边缘, 并与所述显示面板电 性相连, 所述柔性电路板表面设有多个裸露的导电检测点, 所述导电检测点均 匀分布在所述显示面板的四周, 所述导电检测点通过所述柔性电路板内部的第 二导电走线与所述第一导电走线相连;
[0018] 电路板, 所述电路板与所述显示面板及所述柔性电路板电性相连, 所述电路板 上设有与所述第一导电走线和第二导电走线电性相连的第三导电走线, 所述电 路板上设有对应所述第三导电走线位置的第一孔位;
[0019] 导电背板, 所述导电背板设置于所述显示面板的背面, 所述导电背板上幵设有 对应所述第一孔位的第二孔位, 所述导电背板与所述电路板由穿过所述第一孔 位和所述第二孔位的导电连接件固定, 所述第一孔位和所述第二孔位为螺孔, 所述导电连接件为导电螺钉;
[0020] 所述导电检测点与所述第一孔位之间通过所述第一导电走线、 所述第二导电走 线以及所述第三导电走线相连;
[0021] 其中, 所述导电检测点成外凸的圆形, 所述第一孔位边沿的电路板表面设有供 所述导电连接件与所述第三导电走线接触的导电接触层, 所述导电接触层为金 属导电环焊接而成。
[0022] 又一方面, 本申请实施例提供了又一种显示装置, 其包括:
[0023] 显示面板, 所述显示面板内设有第一导电走线;
[0024] 柔性电路板, 所述柔性电路板设置于所述显示面板边缘, 并与所述显示面板电 性相连, 所述柔性电路板表面设有多个裸露的导电检测点, 所述导电检测点通 过所述柔性电路板内部的第二导电走线与所述第一导电走线相连;
[0025] 电路板, 所述电路板与所述显示面板及所述柔性电路板电性相连, 所述电路板 上设有与所述第一导电走线和第二导电走线电性相连的第三导电走线, 所述电 路板上设有对应所述第三导电走线位置的第一孔位;
[0026] 导电背板, 所述导电背板设置于所述显示面板的背面, 所述导电背板上幵设有 对应所述第一孔位的第二孔位, 所述导电背板与所述电路板由穿过所述第一孔 位和所述第二孔位的导电连接件固定;
[0027] 前框;
[0028] 中框, 与所述前框相配合对所述显示面板进行夹持固定; 以及
[0029] 后盖, 与所述前框和所述中框相配合对所述显示面板、 柔性电路板、 电路板及 所述导电背板进行封装;
[0030] 其中, 所述导电检测点与所述第一孔位之间通过所述第一导电走线、 所述第二 导电走线以及所述第三导电走线相连, 所述第一孔位边沿的电路板表面设有供 所述导电连接件与所述第三导电走线接触的导电接触层。
[0031]
[0032] 本申请的实施例通过在柔性电路板表面设置多个裸露的导电检测点, 导电检测 点通过第二导电走线、 第一导电走线以及第三导电走线与第一孔位相连, 并在 导电背板上幵设对应第一孔位的第二孔位, 通过导电连接件连通第一孔位和第 二孔位, 使得导电检测点与导电背板相通, 在显示面板表面有静电吋, 静电经 由导电检测点、 第二导电走线、 第一导电走线、 第三导电走线和导电连接件导 至导电背板释放掉, 从而在不增加工吋和材料成本的情况下实现静电释放, 起 到静电防护的作用。
[0033]
[0034] 附图说明
[0035] 为了更清楚地说明本申请实施例技术方案, 下面将对实施例描述中所需要使用 的附图作简单地介绍, 显而易见地, 下面描述中的附图是本申请的一些实施例 , 对于本领域普通技术人员来讲, 在不付出创造性劳动的前提下, 还可以根据 这些附图获得其他的附图。
[0036] 图 1是本申请实施例提供的一种显示装置的平面结构示意图;
[0037] 图 2是本申请实施例提供的一种显示装置的局部结构示意图;
[0038] 图 3是本申请实施例提供的一种显示装置另一局部结构示意图;
[0039] 图 4是本申请实施例提供的一种显示装置另一局部结构示意图。
[0040]
[0041] 具体实施方式
[0042] 下面将结合本申请实施例中的附图, 对本申请实施例中的技术方案进行清楚、 完整地描述, 显然, 所描述的实施例是本申请一部分实施例, 而不是全部的实 施例。 基于本申请中的实施例, 本领域普通技术人员在没有做出创造性劳动前 提下所获得的所有其他实施例, 都属于本申请保护的范围。
[0043] 参见图 1、 图 3和图 4所示, 为本申请实施例提供的一种显示装置, 包括显示面 板 100、 柔性电路板 (COF) 200、 电路板 (PCB) 300以及导电背板 400。 显示面 板 100内设有第一导电走线 101 ; 柔性电路板 200设置于显示面板 100边缘, 并与 显示面板 100电性相连, 柔性电路板 200表面设有多个裸露的导电检测点 210, 导 电检测点 210通过柔性电路板 200内部的第二导电走线 201与第一导电走线 101相 连; 电路板 300与显示面板 100及柔性电路板 200电性相连, 电路板 300上设有与 第一导电走线 101和第二导电走线 201电性相连的第三导电走线 301, 电路板 300 上设有对应第三导电走线 301位置的第一孔位 310; 导电背板 400设置于显示面板 100的背面, 导电背板 400上幵设有对应第一孔位 310的第二孔位 410, 导电背板 4 00与电路板 300由穿过第一孔位 310和第二孔位 410的导电连接件 500固定; 导电 检测点 210与第一孔位 310之间通过第一导电走线 101、 第二导电走线 201以及第 三导电走线 301相连。
[0044] 具体地, 在柔性电路板 (COF) 200、 显示面板 100的玻璃基板以及电路板 (PC B) 300上都设有用于电性连接各种元器件的走线。 柔性电路板 200设置于显示面 板 100边缘, 分布在显示面板 100的四周并与显示面板 100电性连接, 柔性电路板 200表面覆盖有绝缘的保护层已对内部走线进行保护。 在本实施例中, 为了将显 示面板 100表面的静电释放掉, 需要在柔性电路板 200表面设置裸露的导电检测 点 210, 导电检测点 210可以有多个, 用以吸引显示面板 100表面的静电, 让显示 面板 100表面的静电有释放的目标。 对应每个导电检测点 210分配有对应的第二 导电走线 201, 第二导电走线 201是柔性电路板 200内可不经过任何电子元器件并 连通至显示面板 100的走线路径, 其目的是为了将打到导电检测点 210上的静电 进行转移。 将静电导到显示面板 100上的第一导电走线 101上, 再经由第一导电
走线 101导至电路板 300上的第三导电走线 301, 第一导电走线 101和第三导电走 线 301均为显示面板 100和电路板 300上的可不经过任何电子元器件的走线路径。 电路板 300上幵设有第一孔位 310, 第一孔位 310是对应第三导电走线 301位置幵 设的, 设置在第三导电走线 301的路径上。 导电背板 400设置在显示面板 100的背 面, 也就是显示屏的背面, 在导电背板 400上幵有第二孔位 410, 第二孔位 410的 位置对应电路板 300上的第一孔位 310, 目的是在装配过程中可以通过连接件将 电路板和导电背板相固定装配, 本实施例中采用的是导电连接件 500, 导电连接 件 500—端与第一孔位 410连接, 也就是连接在第三导电走线 301上, 另一端与第 二孔位相连, 也就是与导电背板 400相连, 如此, 形成了从导电检测点 210至导 电背板 400的通路, 其间经过第二导电走线 201、 第一导电走线 101、 第三导电走 线 301以及导电连接件 500, 让显示面板 100表面的静电通过这个通路导至导电背 板 400上释放掉。 因为电荷会选择最近和最容易的路径进行释放, 当整个装置遇 到静电吋会先导至导电检测点 210上, 由导电检测点 210处通过连通的第二导电 走线 201、 第一导电走线 101和第三导电走线 301导至导电连接件 500, 并由与导 电连接件 500相连的导电背板 400释放掉, 从而不会对柔性电路板 200的驱动集成 电路芯片或者其他的电子元器件造成影响, 由装置内部实现的走线来达到静电 释放、 静电防护的目的, 且不增加额外的工吋和材料成本。 具体实施例中, 导 电背板 400可例如为金属背板。
[0045] 特别地, 导电走线也可以是为了实现静电释放而在柔性电路板 200、 显示面板 1 00以及电路板 300的制作工艺中额外附加的线路, 其在加工工艺的过程中一起成 型, 所需要的成本也非常低, 如果显示装置本身现有的线路无法满足无负载释 放的路径需要, 则可对后续走线工艺进行改进。
[0046] 进一步地, 导电检测点 210均匀分布在显示面板 100的四周。
[0047] 具体地, 在显示面板 100上, 静电可能会在任何地方产生, 将导电检测点 100均 匀分布在显示面板 100的四周, 可以让静电快而全面的被释放掉。
[0048] 进一步地, 第一孔位 310和第二孔位 410为螺孔, 导电连接件 500为导电螺钉。
[0049] 具体地, 在本实施例中, 第一孔位 310和第二孔位 410可例如为分别幵设在电路 板 300和导电背板 400上的螺孔, 其目的是供导电连接件 500配合穿过并对导电背
板和电路板 300进行固定, 而导电连接件 500导电的目的在于导出静电, 让静电 得以通过本实施例中设计的通路进行释放。 导电连接件 500为配合第一孔位 310 和第二孔位 410的导电螺钉, 可以是常规的可导电的金属螺钉。
[0050] 特别地, 第一孔位 310和第二孔位 410也可以其中一个为螺孔, 同吋, 第一孔位 310、 第二孔位 410与导电连接件 500的连接方式也可以是是通过其他的连接方式 实现, 如卡接等。
[0051] 特别地, 电路板 300和导电背板 400之间的导电连接件 500, 也可例如为导电布 , 通过导电布将两者粘连在一起, 导电连接件 500只需达到将传输到电路板 300 上的静电导到导电背板 400的目的即可。
[0052] 进一步地, 第一导电走线 101位于显示面板 100内线路层的最外围。
[0053] 具体地, 第一导电走线 101选择位于显示面板 100上线路层最外侧的线路, 如显 示面板 100上显示区域外的边缘区域, 如此可以避免对显示区域造成干扰。
[0054] 进一步地, 导电检测点 210成外凸的圆形。
[0055] 具体地, 在本实施例中, 导电检测点 210可设计成外凸的圆形结构, 采用外凸 的结构可以方便静电导到导电检测点 210上, 更容易吸引静电荷的释放。 具体实 施例中, 导电检测点 210的形状可根据具体需要进行设计, 其只需满足能够吸引 静电荷的导电材质即可。
[0056] 参见图 4所示, 进一步地, 第一孔位 310边沿的电路板 300表面设有供导电连接 件 500与第三导电走线 301接触的导电接触层 320。
[0057] 具体地, 在第一孔位 310处的电路板 300表面设有导电接触层 320, 导电接触层 3 20与第三导电走线 301相连, 其目的是为了让导电连接件 500能够跟第三导电走 线 301更好的导通, 因为在导电连接件 500穿过第一孔位 310与第二孔位 410对位 配合吋, 导电连接件 500的外壁接触的部位是绝缘的电路板 300的基板, 而在配 合中其与电路板 300基板表面的第三导电走线 301之间可能造成接触不良, 采用 导电接触层 320可提高静电释放路径的稳定性。
[0058] 进一步地, 导电接触层为金属导电环焊接而成。
[0059] 进一步地, 显示装置还包括:
[0060] 前框 600、 中框 700以及后盖 800。 中框 700与前框 600相配合对显示面板 100进行
夹持固定; 后盖 800与前框 600和中框 700相配合对显示面板 100、 柔性电路板 200 、 电路板 300及导电背板 400进行封装。
[0061] 具体地, 前框 600设置在显示面板 100的前端, 其与中框 700相配合对显示面板 进行夹持固定, 后盖 800与前框 600和中框 700相配合对整个显示装置进行封装, 整体形成保护显示装置内部的外壳包装, 对显示装置内部的各部分进行支撑, 并起到防尘保护的作用。
[0062] 进一步地, 前框 600、 中框 700及后盖 800均采用塑胶一体化成型。
[0063] 具体地, 本实施例中, 显示装置的外壳包装, 如前框 600、 中框 700及后盖 800 均采用塑胶一体化成型。 如此, 在保证包装外壳绝缘特性的情况下, 大大降低 了其重量, 从而减轻了整个显示装置的重量, 而且, 相对金属材料而言, 塑胶 材质比较便宜, 制作工艺也相对简单, 采用塑胶材料大大降低了显示装置外壳 的生成成本。 当然, 前框 600、 中框 700及后盖 800这些外壳包装的材质不限定与 本申请实施例中的塑胶, 可以是其他的一些非金属绝缘材料, 甚至是在某些必 要情况下可以采用一些金属材料进行制作。
[0064] 进一步地, 导电背板 400的材质为铁。
[0065] 具体地, 在本实施例中, 导电背板 400的制作材料为铁, 当然, 在其他的实施 例中, 导电背板 400也可以采用其他的金属材质。
[0066] 本申请实施例提供的另一种显示装置, 包括显示面板 100、 柔性电路板 200、 电 路板 300、 导电背板 400、 导电连接件 500、 导电接触层 320, 显示面板 100内设有 第一导电走线 101 ; 柔性电路板 200设置于显示面板 100边缘, 并与显示面板 100 电性相连, 柔性电路板 200表面设有多个裸露的导电检测点 210, 导电检测点 210 均匀分布在显示面板 100的四周, 导电检测点 210通过柔性电路板 200内部的第二 导电走线 201与第一导电走线 101相连; 电路板 300与显示面板 100及柔性电路板 2 00电性相连, 电路板 300上设有与第一导电走线 101和第二导电走线 201电性相连 的第三导电走线 301, 电路板 300上设有对应第三导电走线 301位置的第一孔位 31 0; 导电背板 400设置于显示面板 100的背面, 导电背板 400上幵设有对应第一孔 位 310的第二孔位 410, 导电背板 400与电路板 300由穿过第一孔位 310和第二孔位 410的导电连接件 500固定, 第一孔位 310和第二孔位 410为螺孔, 导电连接件 500
为导电螺钉; 导电检测点 210与第一孔位 310之间通过第一导电走线 101、 第二导 电走线 201以及第三导电走线 301相连; 其中, 导电检测点 210成外凸的圆形, 第 一孔位 310边沿的电路板 300表面设有供导电连接件 500与第三导电走线 301接触 的导电接触层 320, 导电接触层 320为金属导电环焊接而成。
[0067] 具体地, 通过在柔性电路板 200表面设置多个裸露的导电检测点 210, 导电检测 点 210通过第二导电走线 201、 第一导电走线 101以及第三导电走线 301与第一孔 位 310相连, 并在导电背板 400上幵设对应第一孔位 310的第二孔位 410, 通过导 电连接件 500连通第一孔位 310和第二孔位 410, 使得导电检测点 210与导电背板 4 00相通, 在显示面板 100表面有静电吋, 静电经由导电检测点 210、 第二导电走 线 201、 第一导电走线 101、 第三导电走线 301和导电连接件 500导至导电背板 400 释放掉, 从而在不增加工吋和材料成本的情况下实现静电释放, 起到静电防护 的作用。 同吋在第一孔位 310边沿的电路板 300表面设有供导电连接件 500与第三 导电走线 301接触的导电接触层 320, 可提高静电释放路径的稳定性。
[0068] 在某些实施例中, 显示面板 100例如为 LCD显示面板、 QLED显示面板、 OLED 显示面板、 曲面面板或其他显示面板。
[0069]
[0070] 以上所述, 仅为本申请的具体实施方式, 但本申请的保护范围并不局限于此, 任何熟悉本技术领域的技术人员在本申请揭露的技术范围内, 可轻易想到各种 等效的修改或替换, 这些修改或替换都应涵盖在本申请的保护范围之内。 因此 , 本申请的保护范围应以权利要求的保护范围为准。
技术问题
问题的解决方案
发明的有益效果
Claims
权利要求书
[权利要求 1] 一种显示装置, 包括:
显示面板, 所述显示面板内设有第一导电走线; 柔性电路板, 所述柔性电路板设置于所述显示面板边缘, 并与所述显 示面板电性相连, 所述柔性电路板表面设有多个裸露的导电检测点, 所述导电检测点通过所述柔性电路板内部的第二导电走线与所述第一 导电走线相连;
电路板, 所述电路板与所述显示面板及所述柔性电路板电性相连, 所 述电路板上设有与所述第一导电走线和第二导电走线电性相连的第三 导电走线, 所述电路板上设有对应所述第三导电走线位置的第一孔位 导电背板, 所述导电背板设置于所述显示面板的背面, 所述导电背板 上幵设有对应所述第一孔位的第二孔位, 所述导电背板与所述电路板 由穿过所述第一孔位和所述第二孔位的导电连接件固定;
其中, 所述导电检测点与所述第一孔位之间通过所述第一导电走线、 所述第二导电走线以及所述第三导电走线相连。
[权利要求 2] 根据权利要求 1所述的显示装置, 其中, 所述导电检测点均匀分布在 所述显示面板的四周。
[权利要求 3] 根据权利要求 1所述的显示装置, 其中, 所述第一孔位和所述第二孔 位为螺孔, 所述导电连接件为导电螺钉。
[权利要求 4] 根据权利要求 1所述的显示装置, 其中, 所述第一导电走线位于所述 显示面板内线路层的最外围。
[权利要求 5] 根据权利要求 1所述的显示装置, 其中, 所述导电检测点成外凸的圆 形。
[权利要求 6] 根据权利要求 1所述的显示装置, 其中, 所述第一孔位边沿的电路板 表面设有供所述导电连接件与所述第三导电走线接触的导电接触层。
[权利要求 7] 根据权利要求 6所述的显示装置, 其中, 所述导电接触层为金属导电 环焊接而成。
根据权利要求 1所述的显示装置, 还包括:
前框;
中框, 与所述前框相配合对所述显示面板进行夹持固定; 以及 后盖, 与所述前框和所述中框相配合对所述显示面板、 柔性电路板、 电路板及所述导电背板进行封装。
根据权利要求 8所述的显示装置, 其中, 所述前框、 中框及后盖均采 用塑胶一体化成型。
根据权利要求 1所述的显示装置, 其中, 所述导电背板的材质为铁。 一种显示装置, 包括:
显示面板, 所述显示面板内设有第一导电走线;
柔性电路板, 所述柔性电路板设置于所述显示面板边缘, 并与所述显 示面板电性相连, 所述柔性电路板表面设有多个裸露的导电检测点, 所述导电检测点均匀分布在所述显示面板的四周, 所述导电检测点通 过所述柔性电路板内部的第二导电走线与所述第一导电走线相连; 电路板, 所述电路板与所述显示面板及所述柔性电路板电性相连, 所 述电路板上设有与所述第一导电走线和第二导电走线电性相连的第三 导电走线, 所述电路板上设有对应所述第三导电走线位置的第一孔位 导电背板, 所述导电背板设置于所述显示面板的背面, 所述导电背板 上幵设有对应所述第一孔位的第二孔位, 所述导电背板与所述电路板 由穿过所述第一孔位和所述第二孔位的导电连接件固定, 所述第一孔 位和所述第二孔位为螺孔, 所述导电连接件为导电螺钉;
其中, 所述导电检测点与所述第一孔位之间通过所述第一导电走线、 所述第二导电走线以及所述第三导电走线相连;
其中, 所述导电检测点成外凸的圆形, 所述第一孔位边沿的电路板表 面设有供所述导电连接件与所述第三导电走线接触的导电接触层, 所 述导电接触层为金属导电环焊接而成。
根据权利要求 11所述的显示装置, 其中, 所述导电背板的材质为铁。
根据权利要求 11所述的显示装置, 其中, 所述显示装置还包括: 前框;
中框, 与所述前框相配合对所述显示面板进行夹持固定; 以及 后盖, 与所述前框和所述中框相配合对所述显示面板、 柔性电路板、 电路板及所述导电背板进行封装。
根据权利要求 13所述的显示装置, 其中, 所述前框、 中框及后盖均采 用塑胶一体化成型。
根据权利要求 11所述的显示装置, 其中, 所述导电接触层的材质为铜 一种显示装置, 包括:
显示面板, 所述显示面板内设有第一导电走线;
柔性电路板, 所述柔性电路板设置于所述显示面板边缘, 并与所述显 示面板电性相连, 所述柔性电路板表面设有多个裸露的导电检测点, 所述导电检测点通过所述柔性电路板内部的第二导电走线与所述第一 导电走线相连;
电路板, 所述电路板与所述显示面板及所述柔性电路板电性相连, 所 述电路板上设有与所述第一导电走线和第二导电走线电性相连的第三 导电走线, 所述电路板上设有对应所述第三导电走线位置的第一孔位 导电背板, 所述导电背板设置于所述显示面板的背面, 所述导电背板 上幵设有对应所述第一孔位的第二孔位, 所述导电背板与所述电路板 由穿过所述第一孔位和所述第二孔位的导电连接件固定;
前框;
中框, 与所述前框相配合对所述显示面板进行夹持固定; 以及 后盖, 与所述前框和所述中框相配合对所述显示面板、 柔性电路板、 电路板及所述导电背板进行封装;
其中, 所述导电检测点与所述第一孔位之间通过所述第一导电走线、 所述第二导电走线以及所述第三导电走线相连, 所述第一孔位边沿的
电路板表面设有供所述导电连接件与所述第三导电走线接触的导电接 触层。
[权利要求 17] 根据权利要求 16所述的显示装置, 其中, 所述导电检测点在所述显示 面板外均匀分布。
[权利要求 18] 根据权利要求 16所述的显示装置, 其中, 所述第一导电走线位于所述 显示面板内线路层的最外围。
[权利要求 19] 根据权利要求 16所述的显示装置, 其中, 所述导电检测点成外凸的圆 形。
[权利要求 20] 根据权利要求 16所述的显示装置, 其中, 所述导电检测点在所述显示 面板外均匀分布, 所述导电检测点成外凸的圆形。
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| CN110718156B (zh) * | 2019-10-31 | 2022-08-19 | 京东方科技集团股份有限公司 | 可折叠显示面板及制作方法、显示装置 |
| CN112365796B (zh) * | 2020-11-26 | 2022-09-27 | 京东方科技集团股份有限公司 | 背光模组和显示装置 |
| CN113411939B (zh) * | 2021-06-09 | 2022-12-06 | 武汉华星光电技术有限公司 | 一种显示模组 |
| CN113570969B (zh) * | 2021-07-23 | 2022-07-08 | 惠科股份有限公司 | 显示装置 |
| CN114093334B (zh) * | 2021-11-30 | 2022-09-06 | 长沙惠科光电有限公司 | 显示模组、显示装置及静电隔离方法 |
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