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Color film substrate, manufacturing method thereof, and OLED display device

A technology of a color film substrate and a manufacturing method, which is applied in the field of a color film substrate and its manufacturing method and OLED display devices, to achieve the effects of simplifying the manufacturing process, simplifying the manufacturing process, and improving display quality

Active Publication Date: 2018-02-23
SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The contact angle between the groove B and the printing ink has a great influence on the flatness of the film formation and the uniformity of the film thickness. If the contact angle is too large, it will be as figure 2 As shown, the ink is thick in the middle and thin on both sides, and if the contact angle is too small, it will be as image 3 As shown, the ink is thin in the middle and thick on the sides

Method used

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  • Color film substrate, manufacturing method thereof, and OLED display device
  • Color film substrate, manufacturing method thereof, and OLED display device
  • Color film substrate, manufacturing method thereof, and OLED display device

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Embodiment Construction

[0042] In order to further illustrate the technical means adopted by the present invention and its effects, the following describes in detail the preferred embodiments of the present invention and the accompanying drawings.

[0043] See Figure 4 , The present invention first provides a color filter substrate, comprising: a carrier substrate 11, a first black matrix 12 arranged on the carrier substrate 11, a bank layer 13 arranged on the first black matrix 12, and On the first black matrix 12, the second black matrix 14 covering the dam layer 13, the color resist layer 15, and the protective layer 17 covering the color resist layer 15, the second black matrix 14 and the first black matrix 12.

[0044] The first black matrix 12 has a plurality of first grooves 121 arranged in an array, the dam layer 13 has a plurality of second grooves 131 arranged in an array, and a second groove 131 is located correspondingly Above a first groove 121; the color resist layer 15 is filled in the spa...

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Abstract

The present invention provides a color film substrate, a manufacturing method thereof, and an OLED display device. The color film substrate is provided with a first black matrix (12) and a second black matrix (14) to block light together, and the risk of color mixing of display can be reduced. A first groove (121) of the first black matrix (12) and a second groove (131) of a dam layer (13) are setto contain and limit printing ink needed for the manufacture of a color-resist layer (15) together, the surface of the first groove (121) is hydrophilic, the surface of the second groove (131) is hydrophobic, the flatness and thickness uniformity of the color-resist layer 15 can be improved, the color film substrate is applied to the OLED display device, and the display quality can be improved. The dam layer (13) and the second black matrix (14) are set to substitute support posts in the prior art, and the process can be simplified.

Description

Technical field [0001] The present invention relates to the field of display technology, in particular to a color film substrate, a manufacturing method thereof, and an OLED display device. Background technique [0002] Organic light emitting diode display devices (Organic Light Emitting Diode, OLED) have self-luminous, low driving voltage, high luminous efficiency, short response time, high definition and contrast, close to 180° viewing angle, wide operating temperature range, flexible display and Large-area full-color display and many other advantages are recognized by the industry as the next-generation flat panel display emerging application technology. [0003] There are several ways for OLED display devices to achieve full-color display: [0004] 1. The organic light-emitting layer of three colors of red, green and blue directly emits light; [0005] 2. Adopt a white organic light-emitting layer and a color filter (CF); [0006] 3. Use a blue organic light-emitting layer plus a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/32
CPCH10K59/50H10K59/38H10K59/8792G02B5/223G02B5/201H10K50/865
Inventor 李文杰刘亚伟
Owner SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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