Liquid crystal display motherboard structure and cutting method thereof
A liquid crystal display and display panel technology, applied in nonlinear optics, instruments, optics, etc., can solve the problem of flexible substrates prone to curling and other problems, and achieve the effect of improving yield
Active Publication Date: 2019-07-26
SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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[0004] The embodiment of the present application provides a liquid crystal display mother board structure and its cutting method to solve the technical problem that the flexible substrate of the mother board is prone to curling when the existing liquid crystal display panel uses a laser to separate the mother board and the rigid substrate.
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[0048] Please refer to the drawings in the drawings, in which the same component symbols represent the same components. The following description is based on the exemplified specific embodiments of the application, which should not be construed as limiting other specific embodiments that are not described in detail herein.
[0049] First, please refer to figure 1 , This article briefly introduces the prior art LCD motherboard structure. The prior art LCD motherboard structure 100 is provided with a peripheral cutting line 11, a small chip cutting line 12 and an edge cutting line 13, wherein the small chip cutting line 12 is used to cut the entire display panel and the binding area of the display panel; the edge cutting line 13 is used to cut the part of the color filter substrate corresponding to the binding area of the array substrate and expose the binding area. In addition, the liquid crystal display mother board 100 further includes a first sealant 14 and a second sealan...
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The invention provides a liquid crystal display motherboard structure and a cutting method thereof. The liquid crystal display motherboard structure includes a flexible display motherboard, the flexible display motherboard includes multiple display panels, the display panels include first frame adhesive for attaching a color film substrate and an array substrate, a small slice cutting line is arranged on the flexible display motherboard, and the small slice cutting line is used for cutting a single display panel; and part orthographic projection of a plane of the display panel of the small slice cutting line is located in orthographic projection of the first frame adhesive in the plane of the display panel. According to the liquid crystal display motherboard structure and the cutting method thereof, the part of the small slice cutting line is arranged in the first frame adhesive correspondingly, after a cutting line cuts, the cut frame adhesive is flush with the cutting edge, and thenlaser separation is conducted, stresses on flexible substrates bonded above and below the frame adhesive cancel each other out, when laser separates, energy imbalance due to crimping of an outer periphery flexible substrate does not cause, and the yield of laser separation is greatly improved.
Description
Technical field [0001] This application relates to a display technology, in particular to a liquid crystal display mother board structure and a cutting method thereof. Background technique [0002] Flexible OLED will gradually realize mass production. At the same time, research and development of flexible liquid crystal display devices have also emerged in the industry. The manufacturing process of a flexible liquid crystal display device generally includes: making corresponding film layers on a flexible substrate on a rigid substrate to form a color filter substrate and an array substrate; then pairing the array substrate and the color filter substrate; The board is peeled off to separate the motherboard from the rigid substrate; finally, the motherboard is cut into multiple independent flexible display panels and the flexible printed circuit board is bound to each flexible display panel for polarizer attachment . [0003] At present, the main way to separate the mother board a...
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IPC IPC(8): G02F1/1333G02F1/1339
CPCG02F1/133351G02F1/1333G02F1/1339G02F1/133302G02F1/133305G02F1/133514
Inventor 王恺君
Owner SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD