BACKLIGHTING UNITS, LIQUID CRYSTAL DISPLAYS AND COMMUNICATION EQUIPMENT
VN10061425BActive Publication Date: 2026-10-01KEIWA INCORPORATED
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Patent Information
- Application Number
- VN1202306848
- Authority / Receiving Office
- VN · VN
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2022-02-04
- Publication Date
- 2026-10-01
- Estimated Expiration
- 2042-02-04
Abstract
Light diffuser plate 43 consists of: the first surface 21a, which is the luminescent surface, and the second surface 21b, which is the light-transmitting surface. The first surface 21a consists of many cavities 22, each cavity having an approximate inverted polygonal pyramidal shape. The second surface 21b has an arithmetic mean of less than or equal to 3.0 μin. Light diffuser plate 43 has an internal opacity of less than or equal to 1.5%.
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