DIRECT SURFACE FORMING: NEW POLYMER PROCESSING TECHNOLOGY FOR LARGE LIGHT GUIDE OF TFT-LCD MODULE
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- Title
- DIRECT SURFACE FORMING: NEW POLYMER PROCESSING TECHNOLOGY FOR LARGE LIGHT GUIDE OF TFT-LCD MODULE
- Authors
- Cho, KH; Yoon, K; Park, SJ; Park, C
- Date Issued
- 2003-12
- Publisher
- KOREAN SOC RHEOLOGY
- Abstract
- The backlight unit (BLU) is used as a light source of TFT liquid-crystalline-display (TFT-LCD) module. In this backlight unit, one of important components is the light guide, which is usually made of transparent polymers. Currently, the screen-printing method is mainly used for the light guide as a manufacturing process. However, it has limitation to the flexibility of three-dimensional optical design. In the present paper a new alternative manufacturing method for the light guide with low-cost is proposed. This manufacturing method is named as direct surface forming (DSF), which is very similar to the well-known hot embossing except for partial contact between mold and substrate. The results of this new manufacturing method are presented in terms of processing condition, dimensional accuracy, productivity, etc.
- Keywords
- backlight unit (BLU); thin-film-transistor liquid-crystalline-display (TFT-LCD); direct surface forming (DSF); light guide; MICROFABRICATION
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/28501
- ISSN
- 1226-119X
- Article Type
- Article
- Citation
- KOREA-AUSTRALIA RHEOLOGY JOURNAL, vol. 15, no. 4, page. 167 - 171, 2003-12
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