Structure for improving TP driving capability of display module

Abstract

A structure for improving the TP driving capability of a display module comprises a display screen, a TPFPC, a COF and a display FPC. Golden finger binding positions are arranged on the left side and the right side of the bottom of the TPFPC. The golden finger binding positions are connected with the left side and the right side of the top of the display screen in a binding mode. The center of the bottom of the display screen and the COF are bound together through a golden finger, and the bottom of the COF and the center of the right side of the top of the display FPC are bound and connected together through a golden finger. According to the structure for improving the TP driving capability of the display module, the golden finger binding position of the TPFPC is divided into two parts, impedance distribution of a TP driving circuit can be more uniform, meanwhile, the divided golden finger binding position is symmetrically designed on the left side and the right side of a display screen with water drops, normal use of the display screen with the water drops cannot be affected, and the structure is simple and convenient to use. Therefore, the TP driving capability and the production yield can be improved, and the problem that the touch performance is affected frequently is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent display modules, and in particular to a structure for improving the TP driving capability of a display module. Background Art

[0002] With the advancement of technology and the improvement of living standards, smart wearable devices such as bracelets and watches are becoming more and more common, and the competition among their products is becoming more and more fierce. Consumers are pursuing higher and higher appearance of products, especially wearable products with camera functions, which usually use a display with water droplets. The water drop position is used to place the camera. Such products basically use a single-sided TP FPC binding position, which can easily lead to a large deviation in the routing distance from the TP binding position to the TP touch pattern, resulting in uneven routing impedance, which frequently affects its touch performance. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a structure for improving the TP driving capability of a display module.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A structure for improving the TP driving capability of a display module comprises: a display screen, a TPFPC, a COF and a display FPC; the left and right sides of the bottom of the TPFPC are both provided with gold finger binding positions, and the gold finger binding positions are bound and connected with the left and right sides of the top of the display screen; the center of the bottom of the display screen is bound with the COF through gold fingers, and the bottom of the COF is bound and connected with the center of the right side of the top of the display FPC through gold fingers.

[0006] In one of the embodiments, the display screen is an ONCELLAMOLED display screen, which is composed of two glass substrates, wherein the upper layer is ENCAP glass and the lower layer is an LTPS backplane.

[0007] In one of the embodiments, a water drop-shaped special-shaped through hole is arranged in the center of the top of the LTPS backplane, and the surface of the LTPS backplane is covered with pixel switch circuits and is evaporated with RGB organic light-emitting materials.

[0008] In one embodiment, the surface of the ENCAP glass is coated with an ITO touch sensor pattern.

[0009] In one embodiment, a TPIC is disposed at the central position of the front side of the TPFPC, and the two gold finger binding positions of the TPFPC close to the top of the display screen are respectively located on both sides of the water drop-shaped special-shaped through hole at the top of the LTPS backplane.

[0010] In one embodiment, a component area is disposed on the right side of the bottom front side of the display FPC, and a ZIF connector is disposed on the right side of the bottom front side of the display FPC and in the component area.

[0011] In one embodiment, the gold finger binding positions on both sides of the TPFPC are symmetrically designed with the center of the teardrop-shaped special-shaped through hole at the top center of the display screen, and electronic components are arranged on the front side of the TPFPC away from the display screen.

[0012] In one embodiment, the COF is disposed at the center of the bottom of the display screen, and a COF driver IC is disposed at the center of the front of the COF.

[0013] In one embodiment, the length of the front side of the right side block of the display FPC is shorter than the length of the front side of the display screen, and an FPC connector is disposed at the leftmost end of the front side of the left side block of the display FPC.

[0014] In one embodiment, the length of the front side of the TPFPC is smaller than the length of the front side of the display screen.

[0015] Compared with the prior art, the utility model has at least the following advantages:

[0016] The utility model discloses a structure for improving the TP driving capability of the display module. By dividing the gold finger binding position of the TPFPC into two parts, the impedance distribution of the TP driving circuit can be made more uniform. At the same time, the divided gold finger binding position is symmetrically designed on the left and right sides of the water drop display screen, and will not affect its normal use. Therefore, the TP driving capability and the production yield can be improved, and the problems affecting its touch performance can be prevented from frequently occurring. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a front overall schematic diagram of the structure for improving the TP driving capability of the display module according to the present invention.

[0019] In the figure: 1. display screen; 11. ENCAP glass; 12. LTPS backplane; 2. TPFPC; 21. gold finger binding position; 22. TPIC; 3. COF; 4. display FPC; 41. component area; 42. ZIF connector. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the relevant drawings. The drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly and comprehensively understood.

[0021] In the description of the present application, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0022] Unless otherwise clearly stipulated and limited, terms such as "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0024] like Figure 1 As shown, a structure for improving the TP driving capability of a display module includes: a display screen 1, TPFPC2, COF3 and a display FPC4; gold finger binding positions 21 are provided on both the left and right sides of the bottom of TPFPC2, and the gold finger binding positions 21 are bound and connected to the left and right sides of the top of the display screen 1; the center of the bottom of the display screen 1 is bound to COF3 through a gold finger, and the bottom of COF3 is bound to the center of the right side of the top of the display FPC4 through a gold finger. It should be noted that COF3 can be bent, and the display FPC4 and TPFPC2 are flexible circuit boards that can be bent, so that TPFPC2 and the display FPC4 can be bent to the back of the display screen 1, so as to hide them and reduce the area they occupy.

[0025] like Figure 1As shown, in one embodiment, the display screen 1 is an ONCELLAMOLED display screen, which is composed of two glass substrates, wherein the upper layer is ENCAP glass 11 and the lower layer is LTPS backplane 12. A water drop-shaped special-shaped through hole is arranged in the center of the top of the LTPS backplane 12, and the surface of the LTPS backplane 12 is covered with pixel switch circuits and RGB organic light-emitting materials are evaporated. The surface of the ENCAP glass 11 is plated with an ITO touch sensor pattern. It should be noted that the water drop-shaped special-shaped through hole on the top of the LTPS backplane 12 will not affect the touch function of the ENCAP glass 11.

[0026] like Figure 1 As shown, in one embodiment, a TPIC 22 is arranged at the central position of the front of TPFPC2, and two gold finger binding positions 21 of TPFPC2 close to the top of the display screen 1 are respectively located on both sides of the water drop-shaped special-shaped through hole at the top of the LTPS backplane 12. The gold finger binding positions 21 on both sides of TPFPC2 are symmetrically designed with the center of the water drop-shaped special-shaped through hole at the top of the display screen 1, and electronic components are arranged on the front side of TPFPC2 away from the display screen 1. It should be noted that this design can make the impedance distribution of the TP drive circuit more uniform, and at the same time will not affect the water drop-shaped special-shaped through hole at the top of the LTPS backplane 12.

[0027] like Figure 1 As shown, in one embodiment, a component area 41 is provided on the right side of the bottom front of the FPC 4, and a ZIF connector 42 is provided on the right side of the bottom front of the FPC 4 and in the component area 41. It should be noted that the back of the FPC 4 is provided with several heat dissipation components for heat dissipation.

[0028] like Figure 1 As shown, in one embodiment, COF3 is arranged at the center of the bottom of display screen 1, and a COF driver IC is arranged at the center of the front of COF3. It should be noted that the length and width of the front of COF3 are smaller than the length and width of the front of display FPC4.

[0029] like Figure 1 As shown, in one embodiment, the length of the front side of the right side block of the display FPC4 is less than the length of the front side of the display screen 1, and an FPC connector is provided at the leftmost end of the front side of the left side block of the display FPC4.

[0030] like Figure 1 As shown, in one embodiment, the length of the front of TPFPC2 is less than the length of the front of display screen 1. It should be noted that the connection positions of the gold finger binding positions 21 on the left and right sides of TPFPC2 and the display screen 1 are coated with UV glue.

[0031] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A structure for improving the TP driving capability of a display module, characterized in that: include: Display screen (1), TPFPC (2), COF (3) and display FPC (4); The left and right sides of the bottom of the TPFPC (2) are both provided with gold finger binding positions (21), and the gold finger binding positions (21) are bound and connected with the left and right sides of the top of the display screen (1); The center of the bottom of the display screen (1) and the COF (3) are bound together through a gold finger, and the bottom of the COF (3) and the center of the right side of the top of the display FPC (4) are bound together through a gold finger.

2. The structure for improving the TP driving capability of a display module according to claim 1, characterized in that: The display screen (1) is an ONCELL AMOLED display screen, which is composed of two glass substrates, wherein the upper layer is ENCAP glass (11) and the lower layer is an LTPS backplane (12).

3. The structure for improving the TP driving capability of a display module according to claim 2, characterized in that: A water drop-shaped special-shaped through hole is arranged in the center of the top of the LTPS back plate (12); the surface of the LTPS back plate (12) is covered with pixel switch circuits and is evaporated with RGB organic light-emitting materials.

4. The structure for improving the TP driving capability of a display module according to claim 2, characterized in that: The surface of the ENCAP glass (11) is plated with an ITO touch sensor pattern.

5. The structure for improving the TP driving capability of a display module according to claim 3, characterized in that: A TPIC (22) is arranged at the central position of the front side of the TPFPC (2), and the two gold finger binding positions (21) of the TPFPC (2) close to the top of the display screen (1) are respectively located on both sides of the water drop-shaped special-shaped through hole at the top of the LTPS back plate (12).

6. The structure for improving the TP driving capability of a display module according to claim 1, characterized in that: A component area (41) is arranged on the right side of the bottom of the front side of the display FPC (4), and a ZIF connector (42) is arranged on the right side of the bottom of the front side of the display FPC (4) and in the component area (41).

7. The structure for improving the TP driving capability of a display module according to claim 1, characterized in that: The gold finger binding positions (21) on both sides of the TPFPC (2) are symmetrically designed with the center of the water drop-shaped special-shaped through hole at the top center of the display screen (1), and electronic components are arranged on the front side of the TPFPC (2) away from the display screen (1).

8. The structure for improving the TP driving capability of a display module according to claim 1, characterized in that: The COF (3) is arranged at the center of the bottom of the display screen (1), and a COF driving IC is arranged at the center of the front of the COF (3).

9. The structure for improving the TP driving capability of a display module according to claim 1, characterized in that: The length of the front side of the right side block of the display FPC (4) is shorter than the length of the front side of the display screen (1), and an FPC connector is provided at the leftmost end of the front side of the left side block of the display FPC (4).

10. The structure for improving the TP driving capability of a display module according to claim 1, characterized in that: The length of the front side of the TPFPC (2) is smaller than the length of the front side of the display screen (1).

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