Frame sealing glue composition, display device and detection method

A technology of display device and frame sealant, which is applied in the direction of instruments, adhesives, optics, etc., and can solve problems such as broken liquid crystal panels, difficult testing, and complicated debugging procedures

Inactive Publication Date: 2013-11-27
BOE TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The inconvenience of this detection method is that the inspector needs to transport the LCD panel to the test area, and the transportation process will bring a lot of inconvenience, such as the liquid crystal panel is likely to be broken during the handling p

Method used

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  • Frame sealing glue composition, display device and detection method
  • Frame sealing glue composition, display device and detection method
  • Frame sealing glue composition, display device and detection method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] This embodiment provides a frame sealant composition, including a frame sealant and a fluorescent material.

[0033] In order to ensure the fluorescent effect of the frame sealant composition without affecting its adhesion, the proportion of the fluorescent material is generally in the range of 1% to 5%.

[0034] The frame sealant includes: prepolymer, active monomer, thermal curing agent and photoinitiator.

[0035] In this embodiment, a fluorescent material is added to the composition, and a dispersant can also be added at the same time. Preferably, the mass percentage of the dispersant is 0-5%. The dispersant is adsorbed on the liquid-solid interface and can significantly reduce the interfacial free energy, so that the solid powder is uniformly dispersed in the liquid or melt. Dispersant, as a surfactant with two opposite properties of lipophilicity and hydrophilicity in the molecule, can uniformly disperse inorganic or organic solid particles that are difficult to ...

Embodiment 2

[0041] This embodiment provides a method for preparing a frame sealant composition, and the steps are as follows: figure 1 As shown, it specifically includes the following steps:

[0042] Step S1: preparing a frame sealant composition with a fluorescent effect by adding a fluorescent material.

[0043] Step S2: Defoaming the frame sealant composition with fluorescent effect to obtain a frame sealant composition.

[0044] In the above method, fluorescent materials are added to the frame sealant, so that the obtained frame sealant composition has a fluorescent effect, and the frame sealant composition obtained by this method not only has the sealing effect of the frame sealant, but also has a fluorescent effect.

[0045] For the step S1 of preparing a frame sealant composition with a fluorescent effect, this embodiment provides a better solution 1, and the step S1 specifically includes:

[0046] Step S11: thawing the frame sealant to obtain the thawed frame sealant.

[0047] ...

Embodiment 3

[0062] This embodiment provides a display device, including a sealant layer formed from the sealant composition described in Embodiment 1 above.

[0063] Preferably, the display device in this embodiment takes a liquid crystal display panel as an example, wherein the schematic cross-section of the liquid crystal display panel is as follows Figure 5 As shown, 8 is the color filter substrate, 9 is the array substrate, 5 is the sealant layer, and Figure 5 The liquid crystal panel shown in also includes polarizer 1 , glass substrate 2 , black matrix (BM) 3 , alignment layer 4 , liquid crystal 6 and spacers 7 .

[0064] The top view of the liquid crystal display panel provided by this embodiment is as follows: Figure 6 As shown, 2 is the glass substrate, 5 is the sealant layer, 3 is the black matrix BM, and 10 is the display area.

[0065] The display device can also be: electronic paper, OLED panel, mobile phone, tablet computer, television, monitor, notebook computer, digita...

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Abstract

The invention discloses a frame sealing glue composition. The frame sealing glue composition comprises a frame sealing glue, a fluorescent material and a dispersant, wherein the frame sealing glue comprises a prepolymer, an active monomer, a thermal curing agent and a photoinitiator. Through addition of the fluorescent material with a fluorescent effect into the conventional frame sealing glue, the obtained frame sealing glue composition exerts a same adhesive effect as that of the conventional frame sealing glue and facilitates detection of bonding effects on frame sealing glue layers through the fluorescent effect. The invention further discloses a display device and a detection method based on the frame sealing glue composition. The frame sealing glue layers are irradiated by invisible light with wavelength of less than 400 nm, and sealing conditions of the frame sealing glue layers are determined according to the fluorescent effect of the frame sealing glue layers. Thus, bonding effects on the frame sealing glue layers can be conveniently and effectively detected without detection in a special environment, breaking of panels in the process of carrying is avoided, and detection results can be effectively and rapidly obtained.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a frame sealing glue composition, a display device and a detection method. Background technique [0002] In the preparation process of LCD (Liquid Crystal Display, liquid crystal display), the adhesion effect of the sealant layer directly affects the post-production of the LCD and the quality of the processed LCD. In the manufacturing process of the LCD, the function of the sealing glue layer is to stick the array substrate and the color filter substrate together to play a sealing role, and to ensure the gap between the TFT (Thin Film Transistor, thin film field effect transistor) array substrate and the color filter substrate. Liquid crystals are not affected by the outside air. If there is a defect in the coating process of the sealing adhesive layer, the bonding effect of the sealing adhesive layer will be poor, and the liquid crystal between the array substrate and the colo...

Claims

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Application Information

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IPC IPC(8): C09J11/00G02F1/1339G02F1/13G01N21/64
CPCC09J9/00C09J11/00G02F1/1309G02F1/1339G02F2202/046
Inventor 张雨黄华
Owner BOE TECH GRP CO LTD
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