CN213485240U

CN213485240U - PCB jointed board structure for OLED micro display screen

Info

Publication number: CN213485240U
Application number: CN202022535337.6U
Authority: CN
Inventors: 潘倩倩
Original assignee: Semiconductor Integrated Display Technology Co Ltd
Current assignee: Semiconductor Integrated Display Technology Co Ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-06-18
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a PCB makeup structure for having OLED shows screen a little, include: the PCB structure comprises a plurality of PCB single plates with OLED micro display screens and process edge structures arranged on the peripheries of the PCB single plates; the process edge structure is provided with a plurality of test points which are electrically connected to each PCB single board and used for judging the lighting condition, and the test points are matched with the pricking device so as to transmit power signals from the pricking device to the PCB single boards to light the OLED micro display screen. This a PCB makeup structure for OLED shows screen a little has realized the test of lighting a lamp of many PCBs, and efficiency of software testing is high.

Description

PCB jointed board structure for OLED micro display screen

Technical Field

The utility model relates to a little display field specifically relates to a PCB makeup structure for OLED shows screen a little.

Background

With the development of OLED micro display screens, the requirement of Printed Circuit Boards (PCBs) is increasing, but in the process of PCB design, due to the requirement of aging test, as shown in fig. 1, a plurality of test points need to be placed on a PCB single Board, which results in wasted space of the PCB Board, and the efficiency of lighting test of the single Board is low, and it takes a lot of time to test a large number of PCB boards.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a PCB makeup structure for OLED shows screen a little, this a PCB makeup structure for OLED shows screen a little has realized the test of lighting a lamp of many PCB boards, and efficiency of software testing is high.

In order to achieve the above object, the utility model provides a PCB makeup structure for having OLED little display screen, a PCB makeup structure for having OLED little display screen includes: the PCB structure comprises a plurality of PCB single plates with OLED micro display screens and process edge structures arranged on the peripheries of the PCB single plates; the process edge structure is provided with a plurality of test points which are electrically connected to each PCB single board and used for judging the lighting condition, and the test points are matched with the pricking device so as to transmit power signals from the pricking device to the PCB single boards to light the OLED micro display screen.

Preferably, the test point is electrically connected to each PCB board through a lead, wherein the lead is received inside the process edge structure.

Preferably, the dimensions of the process edge structure are configured such that the edge width is 6mm towards a first direction and 13mm towards a second direction, wherein the first direction is perpendicular to the second direction.

Preferably, a silk screen frame is formed at the edge of the PCB single board, wherein the silk screen frame is configured as a reference line for laser cutting.

Preferably, the number of the PCB single boards is 6, wherein every two PCB single boards are adjacently spliced.

Preferably, the number of the test points is 14, and the test points are uniformly distributed on two sides of the PCB single board.

According to the above technical scheme, the utility model discloses a PCB makeup structure for having OLED little display screen is arranged PCB veneer by a plurality of arrays and is made up into the PCB makeup, adds technology limit structure all around at the PCB makeup, and places a plurality of test points on technology limit structure, through with the acupuncture equipment is connected the effect that realizes OLED little display screen test.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram illustrating a PCB panel structure with OLED microdisplay according to the present invention; and

fig. 2 is a schematic structural diagram of a PCB single board in the prior art.

Description of the reference numerals

1 PCB single board 2 technology limit structure

3 test point

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the present invention, unless otherwise specified, the terms of orientation such as "up, down, left, right" and the like included in the terms only represent the orientation of the terms in a normal use state or are colloquially known by those skilled in the art, and should not be construed as limiting the terms.

Fig. 1 is the utility model discloses a PCB makeup structure for having OLED little display screen, a PCB makeup structure for having OLED little display screen includes: the display screen comprises a plurality of PCB single boards 1 with OLED micro display screens and a technical edge structure 2 arranged on the periphery of the PCB single boards 1; the technical edge structure 2 is provided with a plurality of test points 3 which are electrically connected to each PCB single board 1 and used for judging the lighting condition, and the test points 3 are matched with the pricking device so as to transmit power signals from the pricking device to the PCB single board 1 to light the OLED micro display screen.

Wherein, the utility model discloses a PCB's preparation method is:

1. the PCB jointed board is formed by arranging and splicing PCB single boards 1 with the same size and shape according to a multi-row and multi-column mode; the jointed PCB board is 3 rows and 2 columns and comprises 6 PCB single boards 1 in total.

2. And process edges with the widths of 6mm and 13mm are respectively added on the periphery of the PCB jointed board.

3. 14 test points 3 are placed on the process edges with the width of 13mm on two sides, 14 circuit lines in the single board are led out and are connected with the test points 3, the test points 3 are in needle contact with 14 test points 3 through needle inserting equipment, and 6 micro display screens are lightened simultaneously.

4. After the testing, the aging and the like are finished, laser cutting is carried out through a silk screen frame on the PCB, 6 complete OLED display screens are cut out of the jointed board, the internal functions of the circuit are not affected, and the jointed board is assembled and used.

In comparison with the prior art in fig. 1: in the design of a common PCB, 14 test points 3 are placed on a PCB single board 1, and a probe lights 1 OLED micro display screen for aging and lighting through pricking the 14 test points 3 on the single board. In the improved jointed board structure, circuit connecting wires on a single board are simultaneously connected to 14 test points 3 on a process edge, and probes simultaneously light 6 OLED micro display screens for aging and lighting through the 14 test points 3 on the process edge on the jointed board. The existing process edge is 5mm and is used for binding an OLED micro display screen. The improved jointed board structure has 6mm and 13mm wide technological edges, and meets the binding requirement.

Preferably, the test point 3 is electrically connected to each PCB single board 1 through a lead, wherein the lead is received inside the process edge structure 2. Wherein the leads are inside the process edge structure 2, not shown in fig. 1. In practice, in actual use, the leads are buried in the process edge structure 2, each PCB board 1 is individually connected with 14 leads, and the 14 leads are respectively connected to the test points 3 to achieve electrical connection.

Preferably, the dimensions of the process edge structure 2 are configured such that the edge width is 6mm towards a first direction and 13mm towards a second direction, wherein the first direction is perpendicular to the second direction.

Preferably, a silk screen frame is formed at the edge of the PCB single board 1, wherein the silk screen frame is configured as a reference line for laser cutting.

Preferably, the number of the PCB single boards 1 is 6, wherein every two PCB single boards 1 are adjacently spliced.

Preferably, the number of the test points 3 is 14, and the test points are uniformly distributed on both sides of the PCB single board 1.

Wherein, the utility model discloses a PCB makeup structure is favorable to selecting the defective product, improves the product reliability. The PCB cost can be saved, 6 screens can be lightened simultaneously, remarkable convenience is brought to batch lighting test and lighting aging display screens, and lighting test and lighting aging efficiency is greatly improved. The utility model discloses satisfy the demand that the PCB area is as little as possible, do not influence PCB board circuit internal function simultaneously, and let ageing efficiency increase at double, practice thrift the system board cost, as shown in figure 1, PCB surface does not have test point 3, and is more pleasing to the eye.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A PCB panel structure for having OLED little display screen, its characterized in that, be used for having OLED little display screen PCB panel structure includes: the PCB structure comprises a plurality of PCB single plates with OLED micro display screens and process edge structures arranged on the peripheries of the PCB single plates; the process edge structure is provided with a plurality of test points which are electrically connected to each PCB single board and used for judging the lighting condition, and the test points are matched with the pricking device so as to transmit power signals from the pricking device to the PCB single boards to light the OLED micro display screen.

2. The PCB panel structure for a micro-display screen with OLED according to claim 1, wherein the test point is electrically connected to each of the PCB single boards by a lead, wherein the lead is received inside the process edge structure.

3. The PCB tile structure for micro-displays with OLEDs according to claim 1, wherein the dimensions of the craft edge structure are configured to have an edge width of 6mm facing a first direction and an edge width of 13mm facing a second direction, wherein the first direction is perpendicular to the second direction.

4. The PCB tile structure for having OLED micro display screen according to claim 1, wherein the edge of the PCB single board is formed with a silk screen frame, wherein the silk screen frame is configured as a reference line for laser cutting.

5. The PCB puzzle structure for providing a micro OLED display screen, according to claim 1, wherein the number of PCB single boards is 6, and every two PCB single boards are adjacently spliced.

6. The PCB panel structure for a micro display screen with OLED according to claim 1, wherein the number of the test points is 14, and the test points are uniformly distributed on both sides of the PCB single board.