Zero-Optical-Distance Mini-LED Backlight with Cone-Shaped Light Coupling Microstructures
This paper presents a zero-optical-distance mini-LED backlight with cone-shaped light coupling microstructures to achieve an ultra-thin backlight architecture (~0.1 mm thickness) by combining the characteristics of direct-lit and edge-lit backlights. There is no gap between the light guide plate (LG...
| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2023-01-01
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| Series: | Crystals |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2073-4352/13/2/241 |
| _version_ | 1827757991222312960 |
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| author | Zibin Lin Haonan Jiang Daochun Ye Wenyan Zhang Enguo Chen Yun Ye Sheng Xu Qun Yan Tailiang Guo |
| author_facet | Zibin Lin Haonan Jiang Daochun Ye Wenyan Zhang Enguo Chen Yun Ye Sheng Xu Qun Yan Tailiang Guo |
| author_sort | Zibin Lin |
| collection | DOAJ |
| description | This paper presents a zero-optical-distance mini-LED backlight with cone-shaped light coupling microstructures to achieve an ultra-thin backlight architecture (~0.1 mm thickness) by combining the characteristics of direct-lit and edge-lit backlights. There is no gap between the light guide plate (LGP) and the reflector, as well as between the LGP and the mini-LED embedded in the reflector. The illuminance uniformity and light extraction efficiency (LEE) of the whole structure reach 91.47% and 77.09%, respectively. Nine sub-modules are spliced together to realize 2D local dimming with 0.29% crosstalk. The structure shows high optical performance while reducing the thickness of the backlight module, which is of great significance for the development of mini-LED backlights. |
| first_indexed | 2024-03-11T08:58:15Z |
| format | Article |
| id | doaj.art-c661f5fefe1148759338c4529209c9fe |
| institution | Directory Open Access Journal |
| issn | 2073-4352 |
| language | English |
| last_indexed | 2024-03-11T08:58:15Z |
| publishDate | 2023-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Crystals |
| spelling | doaj.art-c661f5fefe1148759338c4529209c9fe2023-11-16T19:55:27ZengMDPI AGCrystals2073-43522023-01-0113224110.3390/cryst13020241Zero-Optical-Distance Mini-LED Backlight with Cone-Shaped Light Coupling MicrostructuresZibin Lin0Haonan Jiang1Daochun Ye2Wenyan Zhang3Enguo Chen4Yun Ye5Sheng Xu6Qun Yan7Tailiang Guo8School of Advanced Manufacturing, Fuzhou University, Quanzhou 362200, ChinaSchool of Advanced Manufacturing, Fuzhou University, Quanzhou 362200, ChinaCollege of Physics and Information Engineering, Fuzhou University, Fuzhou 350108, ChinaCollege of Physics and Information Engineering, Fuzhou University, Fuzhou 350108, ChinaSchool of Advanced Manufacturing, Fuzhou University, Quanzhou 362200, ChinaSchool of Advanced Manufacturing, Fuzhou University, Quanzhou 362200, ChinaSchool of Advanced Manufacturing, Fuzhou University, Quanzhou 362200, ChinaSchool of Advanced Manufacturing, Fuzhou University, Quanzhou 362200, ChinaCollege of Physics and Information Engineering, Fuzhou University, Fuzhou 350108, ChinaThis paper presents a zero-optical-distance mini-LED backlight with cone-shaped light coupling microstructures to achieve an ultra-thin backlight architecture (~0.1 mm thickness) by combining the characteristics of direct-lit and edge-lit backlights. There is no gap between the light guide plate (LGP) and the reflector, as well as between the LGP and the mini-LED embedded in the reflector. The illuminance uniformity and light extraction efficiency (LEE) of the whole structure reach 91.47% and 77.09%, respectively. Nine sub-modules are spliced together to realize 2D local dimming with 0.29% crosstalk. The structure shows high optical performance while reducing the thickness of the backlight module, which is of great significance for the development of mini-LED backlights.https://www.mdpi.com/2073-4352/13/2/241LCDmini-LEDbacklightoptical distancelight couplingmicrostructure |
| spellingShingle | Zibin Lin Haonan Jiang Daochun Ye Wenyan Zhang Enguo Chen Yun Ye Sheng Xu Qun Yan Tailiang Guo Zero-Optical-Distance Mini-LED Backlight with Cone-Shaped Light Coupling Microstructures Crystals LCD mini-LED backlight optical distance light coupling microstructure |
| title | Zero-Optical-Distance Mini-LED Backlight with Cone-Shaped Light Coupling Microstructures |
| title_full | Zero-Optical-Distance Mini-LED Backlight with Cone-Shaped Light Coupling Microstructures |
| title_fullStr | Zero-Optical-Distance Mini-LED Backlight with Cone-Shaped Light Coupling Microstructures |
| title_full_unstemmed | Zero-Optical-Distance Mini-LED Backlight with Cone-Shaped Light Coupling Microstructures |
| title_short | Zero-Optical-Distance Mini-LED Backlight with Cone-Shaped Light Coupling Microstructures |
| title_sort | zero optical distance mini led backlight with cone shaped light coupling microstructures |
| topic | LCD mini-LED backlight optical distance light coupling microstructure |
| url | https://www.mdpi.com/2073-4352/13/2/241 |
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