Burning-optimized circuit board and display module

Abstract

The utility model discloses a circuit board for optimizing burning, and the circuit board comprises a binding end which is used for binding with a display panel and comprises at least one burning pin; the external connection end is used for being connected with a terminal mainboard; the connection section is used for connecting the binding end and the external connection end, at least one burning exposed copper point is arranged at the position, close to the binding end, of the connection section, and one burning exposed copper point is correspondingly connected with one burning pin through internal wiring. According to the circuit board for optimizing burning, the connector cost of terminal equipment is not increased. The utility model further discloses a display module which comprises the circuit board.

Description

Technical Field

[0001] The utility model relates to the display field, in particular to a circuit board and a display module for optimizing burning. Background Art

[0002] The display panel needs to be bound to a driver chip and a circuit board before leaving the factory. The circuit board is used to connect to the terminal mainboard to obtain a control signal from the terminal mainboard and provide it to the driver chip. After obtaining the control signal, the driver chip outputs a corresponding drive signal to the display panel.

[0003] After the display panel is bound, it needs to be tested to obtain its parameters such as ID code, and then the parameters obtained from the test are burned into the driver chip to facilitate the terminal device to read the parameters burned in the driver chip when controlling the display panel.

[0004] Therefore, in the prior art, four pins are reserved on each of the binding end and the external connection end of the circuit board as programming pins, so that the testing equipment can program the parameters of the driver chip through the programming pins on the circuit board.

[0005] However, this results in the need to add 4 additional PIN pins to the connector on the terminal mainboard, otherwise the external terminal of the circuit board cannot be inserted into the connector. Moreover, the terminal device does not need to call the burning pins when controlling the display panel, that is, the burning pins are of no use to the terminal device and only increase the connector cost of the terminal device in vain. Utility Model Content

[0006] In order to solve the above-mentioned deficiencies of the prior art, the utility model provides a circuit board with optimized burning, which will not increase the connector cost of the terminal equipment.

[0007] The utility model also provides a display module, comprising the above-mentioned circuit board.

[0008] The technical problem to be solved by the utility model is achieved through the following technical solutions:

[0009] A circuit board for optimizing burning, comprising:

[0010] A binding end, used for binding with a display panel, comprising at least one burning pin;

[0011] External terminal, used for connecting with the terminal mainboard;

[0012] The connecting section is used to connect the binding end and the external connection end. At least one burning copper point is arranged near the binding end. One burning copper point is correspondingly connected to one burning pin through internal wiring.

[0013] Furthermore, the connecting section includes a first section, a second section and a connecting section, the first section and the second section are arranged side by side along a first direction, and the connecting section is connected between the first section and the second section; the binding end is connected to one side of the first section, and the external end is connected to one side of the second section.

[0014] Furthermore, the first section, the second section and the connecting section have a first length, a second length and a third length respectively along the second direction, and the third length of the connecting section is smaller than the first length of the first section and the second length of the second section to form a long slot between the first section and the second section.

[0015] Furthermore, the binding end and the external connection end are respectively connected to two side edges of the first section and the second section that are opposite to each other along the second direction.

[0016] Furthermore, the burn-in copper exposed point is arranged in the first section.

[0017] Furthermore, there are a plurality of the burned copper exposed points, and the plurality of burned copper exposed points are arranged along the second direction in the first section.

[0018] Furthermore, a pad area is provided in the first section, and resistor and capacitor components are welded in the pad area.

[0019] Furthermore, the first direction is perpendicular to the second direction.

[0020] Furthermore, the binding end further includes at least one first signal pin, the external connection end includes at least one second signal pin, and one first signal pin is correspondingly connected to one second signal pin through internal wiring.

[0021] A display module comprises a display panel and the above-mentioned circuit board, wherein a driving chip and a binding site are arranged on one side of the display panel, and the circuit board is connected to the driving chip by binding the binding end to the binding site.

[0022] The utility model has the following beneficial effects: the circuit board of the utility model adopts the burning exposed copper point to replace the burning pin located on the external terminal in the prior art, and the burning exposed copper point is made at a position of the connecting section close to the binding end; since the binding pin does not exist at the external terminal, when the connector is connected to the connector on the terminal mainboard, the connector does not need to add an additional PIN pin, which can reduce the connector cost of the terminal device; during testing and burning, the testing equipment is connected to the external terminal through the connector and to the burning exposed copper point of the connecting section through the probe fixture, firstly outputs a test signal to the driver chip of the display panel through the external terminal and obtains the parameters of the display panel, and then outputs the parameters and burning instructions to the driver chip of the display panel through the burning exposed copper point of the connecting section to complete the parameter burning. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a structural schematic diagram of a circuit board provided by the utility model.

[0024] Figure 2 This is a schematic diagram of the structure of the display module provided by the utility model. DETAILED DESCRIPTION

[0025] The present invention is described in detail below in conjunction with the accompanying drawings and embodiments, examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0026] In the description of the present invention, 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 accompanying drawings, and are only for the convenience of describing the present invention 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 cannot be understood as a limitation on the present invention.

[0027] In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix", "set" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Embodiment 1

[0029] like Figure 1 As shown, a circuit board for optimizing burning includes:

[0030] The binding end 21 is used for binding with the display panel, and includes at least one burning pin 212;

[0031] The external connection terminal 22 is used to connect to the terminal mainboard;

[0032] The connecting section 23 is used to connect the binding end 21 and the external connection end 22. At least one burning copper point 234 is arranged near the binding end 21. One burning copper point 234 is correspondingly connected to one burning pin 212 through internal wiring.

[0033] The circuit board of the utility model adopts the burning exposed copper point 234 to replace the burning pin 212 located on the external terminal 22 in the prior art, and the burning exposed copper point 234 is made at a position of the connecting section 23 close to the binding terminal 21; since the external terminal 22 does not have the binding pin, when connecting with the connector on the terminal mainboard, the connector does not need to add additional PIN pins, which can reduce the connector cost of the terminal device; during testing and burning, the test equipment is connected to the external terminal 22 through the connector and to the burning exposed copper point 234 of the connecting section 23 through the probe fixture, firstly outputs a test signal to the driver chip of the display panel through the external terminal 22 and obtains the parameters of the display panel, and then outputs the parameters and burning instructions to the driver chip of the display panel through the burning exposed copper point 234 of the connecting section 23 to complete the parameter burning.

[0034] The probe fixture refers to a type of fixture with a retractable probe. When the probe fixture clamps the connecting section 23 of the circuit board, one end of the retractable probe extends out of the fixture under the action of an internal spring and contacts the burned copper exposed point 234 to form a loop, and the other end of the retractable probe is connected to the test equipment through a data line.

[0035] The probe fixture is a common fixture in the art and will not be elaborated in detail here.

[0036] The connecting section 23 includes a first section 231, a second section 232 and a connecting section 233. The first section 231 and the second section 232 are arranged side by side along the first direction, and the connecting section 233 is connected between the first section 231 and the second section 232; the binding end 21 is connected to one side of the first section 231, and the external end 22 is connected to one side of the second section 232; the first section 231, the second section 232 and the connecting section 233 respectively have a first length, a second length and a third length along the second direction, and the third length of the connecting section 233 is smaller than the first length of the first section 231 and the second length of the second section 232, so as to form a long notch between the first section 231 and the second section 232; the binding end 21 and the external end 22 are respectively connected to the two opposite sides of the first section 231 and the second section 232 along the second direction.

[0037] In this embodiment, the first direction is perpendicular to the second direction.

[0038] The burned copper exposed point 234 is disposed in the first section 231 .

[0039] Furthermore, there are multiple burned copper exposed points 234 , and the multiple burned copper exposed points 234 are arranged along the second direction in the first section 231 .

[0040] In this embodiment, there are four burning copper exposed points 234 , and accordingly, the number of the burning pins 212 in the binding end 21 is also four, and one burning copper exposed point 234 corresponds to one burning pin 212 .

[0041] Preferably, a pad area 235 is also provided in the first section 231, and resistor and capacitor devices (not shown in the figure) are welded in the pad area 235. The resistor and capacitor devices are connected to the internal wiring of the circuit board through the pad area 235 to form a complete wiring circuit of the circuit board, which is mainly used for filtering, etc.

[0042] The binding end 21 further includes at least one first signal pin 211 , and the external connection end 22 includes at least one second signal pin 221 . One first signal pin 211 is correspondingly connected to one second signal pin 221 through internal wiring.

[0043] The connection section 23 is provided with a plurality of internal wirings (not shown in the figure), some of which are connected between the corresponding first signal pin 211 and the second signal pin 221 , and some of which are connected between the corresponding programming copper exposed point 234 and the programming pin 212 . Embodiment 2

[0044] like Figure 2 As shown, a display module includes a display panel 1 and the circuit board 2 described in Example 1, a driving chip 3 and a binding site 11 are provided on one side of the display panel 1, and the circuit board 2 is connected to the driving chip 3 by binding the binding end 21 to the binding site 11.

[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the embodiments of the utility model rather than to limit them. Although the embodiments of the utility model are described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the embodiments of the utility model can still be modified or replaced by equivalents, and these modifications or equivalent replacements cannot cause the modified technical solutions to deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A circuit board for optimized burning, characterized in that: include: A binding end, used for binding with a display panel, comprising at least one burning pin; External terminal, used for connecting with the terminal mainboard; The connecting section is used to connect the binding end and the external connection end. At least one burning copper point is arranged near the binding end. One burning copper point is correspondingly connected to one burning pin through internal wiring.

2. The circuit board for optimized burning according to claim 1, characterized in that: The connecting section includes a first section, a second section and a connecting section, the first section and the second section are arranged side by side along a first direction, and the connecting section is connected between the first section and the second section; the binding end is connected to one side of the first section, and the external end is connected to one side of the second section.

3. The circuit board for optimized burning according to claim 2, characterized in that: The first section, the second section and the connecting section have a first length, a second length and a third length respectively along the second direction, and the third length of the connecting section is smaller than the first length of the first section and the second length of the second section to form a long slot between the first section and the second section.

4. The circuit board for optimized burning according to claim 2, characterized in that: The binding end and the external connection end are respectively connected to two side edges of the first section and the second section that are opposite to each other along the second direction.

5. The circuit board for optimized burning according to claim 2, characterized in that: The burn-in copper exposed point is arranged in the first section.

6. The circuit board for optimized burning according to claim 5, characterized in that: There are a plurality of the burned copper exposed points, and the plurality of burned copper exposed points are arranged along the second direction in the first section.

7. The circuit board for optimized burning according to claim 2, characterized in that: A pad area is also provided in the first section, and resistor and capacitor components are welded in the pad area.

8. The circuit board for optimized burning according to claim 3, characterized in that: The first direction is perpendicular to the second direction.

9. The circuit board for optimized burning according to claim 1, characterized in that: The binding end further includes at least one first signal pin, the external connection end includes at least one second signal pin, and one of the first signal pins is correspondingly connected to one of the second signal pins through internal wiring.

10. A display module, characterized in that: It comprises a display panel and the circuit board according to claim 1, wherein a driving chip and a binding site are arranged on one side of the display panel, and the circuit board is connected to the driving chip by binding the binding end to the binding site.

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