Light diffusion plate and method for manufacturing the same
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
Sep 24, 2024
Grant Date -
N/A
app pub date -
Aug 2, 2021
filing date -
Aug 2, 2021
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A light diffusion plate is configured to be assembled with a blue light source module having blue Mini LEDs to form a white light backlight module. The light diffusion plate is added with organic dyes with light-emission wavelength of 490-650 nm in order to convert the blue light into white light. The light diffusion plate is made by a foaming extrusion process and contains a plurality of micro-bubbles with a size of 60-400 μm and a weight-reduction ratio of 15-25% for improving the uniformity of white light and resolving the MURA problem. The size of micro-bubbles is controlled by reducing the temperature of at the exit end of the T-die head, such that the wavelength of the white light emitted from the light diffusion plate can be narrower to achieve the effect of wider color gamut display.
First Claim
Other Claims data not available
Family
International Classification(s)
- C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
- F21V:FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- F21Y:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L,....
- B29D:PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FRO....
- B29B:PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE ....
- G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- C09K Class
- 0 % this patent is cited more than
- 1 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Mar 24, 2028 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Mar 24, 2032 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 24, 2036 |