期刊
NANOMATERIALS
卷 11, 期 9, 页码 -出版社
MDPI
DOI: 10.3390/nano11092395
关键词
mini-light-emitting diode; uniformity; luminance; diffuse reflection cavity array; quantum dot film
类别
资金
- Advanced Institute of Manufacturing with High-Tech Innovations from the Featured Areas Research Center Program by Ministry of Education in Taiwan
- Ministry of Science and Technology the Republic of China [MOST 110-2218-E-002 -032 -MBK, 110-2221-E-194 -036]
- EPOCH CHEMTRONICS Corp.
Mini-light-emitting diodes were combined with multiple three-dimensional diffuse reflection cavity arrays to produce thin, large-area, high-brightness, flat light source modules. Optimizing the curvature of the 3D free-form DRCA controls the light path and reduces the number of light sources used.
Mini-light-emitting diodes (mini-LEDs) were combined with multiple three-dimensional (3D) diffuse reflection cavity arrays (DRCAs) to produce thin, large-area, high-brightness, flat light source modules. The curvature of the 3D free-form DRCA was optimized to control its light path; this increased the distance between light sources and reduced the number of light sources used. Experiments with a 12.3-inch prototype indicated that 216 mini-LEDs were required for a 6 mm optical mixing distance to achieve a thin, large-area surface with high brightness, uniformity, and color saturation of 23,044 cd/m(2), 90.13%, and 119.2, respectively. This module can serve as the local dimming backlight in next generation automotive displays.
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