Testing device for OLED (Organic Light Emitting Diode) time sequence control mainboard
By using gold finger docking and anti-static connections on flexible printed circuit boards, the problem of low functional and component coverage in OLED timing control motherboard testing was solved, enabling full-function testing and high-coverage network testing, improving test pass rate and reducing costs.
Patent Information
- Application Number
- CN202423282893.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The testing of OLED timing control motherboards suffers from low functional and component coverage and a high product defect rate. Traditional testing methods are insufficient to meet the requirements of miniaturization and high-speed signal transmission.
By employing gold finger docking and one-to-one bonding, signals are transmitted to terminal devices and testing instruments. An anti-static connection is used between the flexible printed circuit board and the OLED timing control motherboard to achieve full-function testing and high-coverage network testing.
It enables full-function testing of OLED timing control motherboards, improves the test pass rate to over 98%, meets the requirements of miniaturization and high-speed signal transmission, and reduces application costs.
Smart Images
Figure CN223756866U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to time sequence control mainboard testing arrangement technical field, concretely relates to a kind of testing arrangement of OLED time sequence control mainboard. BACKGROUND
[0002] OLED technology is gradually dominant in display field, compared with traditional liquid crystal display, OLED display has self-luminous, high contrast, wide viewing angle, fast response speed and can realize flexible display and many other advantages, OLED display can present more vivid, realistic image, and has great potential in thin and foldable device applications, with the increasing requirement of high quality and portability of consumer electronics products such as smart phone, tablet computer, television and wearable device etc., the application range of OLED technology is increasingly widespread, and in OLED display system, time sequence control mainboard plays a vital role, it is the bridge between connecting external signal source and OLED display panel, mainly responsible for controlling the transmission of display data, the lighting order of pixel and the time sequence of display and other key functions.
[0003] Traditional network and function test of OLED time sequence control mainboard uses probe to sample the electrical signal of its reserved test point, due to the design miniaturization, component densification, high-speed signal transmission, traceless test and other trends of OLED time sequence control mainboard, leading to that test point cannot be reserved enough or test point size is smaller and smaller in OLED time sequence control mainboard design, in its network and function test, the function and component coverage is low, and product defect rate is higher. UTILITY MODEL CONTENT
[0004] In view of the above shortcomings of prior art, the utility model provides a kind of testing arrangement of OLED time sequence control mainboard, can effectively solve the problem of low function and component coverage, high product defect rate of prior art.
[0005] To achieve the above object, the utility model is realized by the following technical scheme:
[0006] The utility model provides a kind of test device of OLED timing control mainboard, including OLED timing control mainboard main body, the upper surface of the OLED timing control mainboard main body is equipped with signal input interface, the upper surface of the OLED timing control mainboard main body is equipped with connection area, a gold finger is fixed in the connection area, the upper surface of the OLED timing control mainboard main body is equipped with flexible printed circuit board, the bottom surface of the flexible printed circuit board is fixed with second gold finger, the gold finger and second gold finger between each other cooperate, the OLED timing control mainboard main body and flexible printed circuit board between being equipped with anti-static connection adhesive layer, the upper surface of the flexible printed circuit board is fixed with two standard connection devices, two standard connection devices are electrically connected with a connection line and second connection line respectively.
[0007] According to the test device of OLED timing control mainboard, the number of conductive pads of the first gold finger and the second gold finger is the same.
[0008] According to the test device of OLED timing control mainboard, the length and width of the first gold finger are the same as the length and width of the second gold finger.
[0009] According to the test device of OLED timing control mainboard, the base material of the OLED timing control mainboard main body is glass fiber reinforced epoxy resin, and the base material of the flexible printed circuit board is polyimide.
[0010] According to the test device of OLED timing control mainboard, the raw material of the anti-static connection adhesive layer between the first gold finger of the OLED timing control mainboard main body and the second gold finger of the flexible printed circuit board is an anti-static glue stick.
[0011] According to the test device of OLED timing control mainboard, the base material of the conductive pads in the first gold finger and the second gold finger is copper.
[0012] The technical scheme provided by the utility model has the following beneficial effects compared with the known prior art:
[0013] 1、The utility model can test different models of OLED timing control mainboard, and the device design method can completely cover.
[0014] 2、The utility model can complete the load connection test of OLED timing control mainboard, full-function test of product, and also realize high coverage test of network.
[0015] 3、The utility model adopts the soft pressing professional FPC bonding test mode of anti-static glue stick, which can realize traceless and non-damage test.
[0016] 4, The utility model discloses a batch, efficient for OLED timing control mainboard testing device and design. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.
[0018] Fig. 1 It is the explosion drawing of the present utility model;
[0019] Fig. 2 It is the explosion drawing of another view of the present utility model;
[0020] Fig. 3 It is the three-dimensional structure schematic view of the present utility model.
[0021] Significant: 1, OLED timing control mainboard main body;2, signal input interface;3, connecting area;4, No. 1 golden finger;5, flexible printed circuit board;6, No. 2 golden finger;7, anti-static connecting glue layer;8, standard connecting device;9, No. 1 connecting line;10, No. 2 connecting line. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical scheme and advantage of the embodiment of the present utility model more clear, the following will combine the drawings in the embodiment of the present utility model, and the technical scheme in the embodiment of the present utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the present utility model, not all the embodiments. Based on the embodiment in the present utility model, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present utility model.
[0023] The present utility model will be further described in the following combined with the embodiment.
[0024] Embodiment: refer to Figs. 1 to 3The utility model provides an OLED timing control mainboard's testing arrangement, including OLED timing control mainboard main body 1, the upper surface of OLED timing control main board main body 1 is equipped with signal input interface 2, the upper surface of OLED timing control main board main body 1 is equipped with connecting area 3, is equipped with one gold finger 4 in connecting area 3 and is fixed, OLED timing control mainboard main body 1 top is equipped with flexible printed circuit board 5, the bottom of flexible printed circuit board 5 is fixedly equipped with two gold fingers 6, one gold finger 4 and two gold fingers 6 between each other match, OLED timing control mainboard main body 1 with flexible printed circuit board 5 between being equipped with anti -static connecting adhesive layer 7, the upper surface of flexible printed circuit board 5 is fixedly equipped with two standard connecting devices 8, two standard connecting devices 8 are electrically connected with one connecting wire 9 and two connecting wires 10 respectively, the number of the conductive contact of one gold finger 4 and two gold fingers 6 is same, the base body of the conductive contact in one gold finger 4 and two gold fingers 6 is copper, the length and width of one gold finger 4 are same with the length and width of two gold fingers 6, the base material of OLED timing control mainboard main body 1 is glass fiber reinforced epoxy resin, the base material of flexible printed circuit board 5 is polyimide, the raw material of anti -static connecting adhesive layer 7 between OLED timing control mainboard main body 1 one gold finger 4 and flexible printed circuit board 5 two gold fingers 6 is anti -static adhesive stick, uses the anti -static adhesive stick sticking device to apply pressure to stick when connecting, the overall sticking area is larger, and the stress is uniform, so there is no any trace to one gold finger 4 on OLED timing control mainboard main body 1.
[0025] The utility model discloses a working principle as follows: the utility model discloses the design miniaturization of OLED time sequence control mainboard, component densification, high -speed signal transmission, traceless test and so on's function and component coverage rate promotion's testing arrangement design method, this technique is not through the traditional reservation test point, and adopts the gold finger butt joint and one -to -one pasting mode to transmit network and signal to terminal device and testing instrument, uses the gold finger 4 of OLED time sequence control mainboard main body 1 small dense no. 1 as the sampling position, the gold finger of OLED time sequence control main board main body 1 no. 1 4 and the gold finger 6 of flexible printed circuit board 5 are pasted and are connected, and the other end of flexible printed circuit board 5 is arranged into standard connector device 8 structure, installs the standard connector device, no. 1 connecting line 9 and no. 2 connecting line are electrically connected with terminal device and testing instrument respectively, realize the transmission of OLED time sequence control mainboard main body 1 network and signal from the gold finger 6 of flexible printed circuit board 5 to testing instrument and terminal device, because the gold finger 4 of OLED time sequence control mainboard main body 1 is the terminal output of entire circuit network, not only circuit signal is complete, and network covers network comprehensively, can connect terminal device as load simultaneously, so adopt the device test, not only can realize analog load and collocation actual load and carry out full -functional 100% test, but also can test the wiring network of OLED time sequence control mainboard main body 1, realize the network test of high coverage, and the special flexible printed circuit board 5 FPC can realize dense circuit and multilayer circuit wiring, as the bridging OLED time sequence control mainboard main body 1 and testing and terminal device, not only has great advantage in application cost, but also is relatively simple in technical implementation and design.
[0026] The one-to-one pasting mode test of OLED time sequence control mainboard main body 1 generally collocates visual application, so the accuracy is higher on the false compression connection, so that the test straight-through rate is higher, and the test straight-through rate can reach more than 98%, which is more in line with the actual use demand.
[0027] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to some technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the technical solutions of the embodiments of the utility model.
Claims
1. A testing device for an OLED timing control mainboard, characterized in that, Include: The upper surface of the OLED timing control mainboard body (1) is provided with a signal input interface (2), the upper surface of the OLED timing control mainboard body (1) is provided with a connection area (3), a No. 1 golden finger (4) is fixedly arranged in the connection area (3), a flexible printed circuit board (5) is arranged above the OLED timing control mainboard body (1), the bottom surface of the flexible printed circuit board (5) is fixedly provided with a No. 2 golden finger (6), the No. 1 golden finger (4) and the No. 2 golden finger (6) are matched with each other, an anti-static connecting adhesive layer (7) is arranged between the OLED timing control mainboard body (1) and the flexible printed circuit board (5), the upper surface of the flexible printed circuit board (5) is fixedly provided with two standard connecting devices (8), the two standard connecting devices (8) are electrically connected with a No. 1 connecting line (9) and a No. 2 connecting line (10) respectively.
2. The testing device of the OLED timing control mainboard according to claim 1, characterized in that, The number of conductive contact pieces of the No. 1 golden finger (4) and the No. 2 golden finger (6) is same.
3. The testing device of the OLED timing control mainboard according to claim 1, characterized in that, The length and the width of the No. 1 golden finger (4) are same as the length and the width of the No. 2 golden finger (6).
4. The testing device of the OLED timing control mainboard according to claim 1, characterized in that, The base material of the OLED timing control mainboard body (1) is glass fiber reinforced epoxy resin, and the base material of the flexible printed circuit board (5) is polyimide.
5. The testing device of the OLED timing control mainboard according to claim 1, characterized in that, The raw material of the anti-static connecting adhesive layer (7) between the No. 1 golden finger (4) of the OLED timing control mainboard body (1) and the No. 2 golden finger (6) of the flexible printed circuit board (5) is an anti-static adhesive rod.
6. The testing device of the OLED timing control mainboard according to claim 1, characterized in that, The base body of the conductive contact piece in the No. 1 golden finger (4) and the No. 2 golden finger (6) is copper.