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US 12,724,190 B2Granted
Backlight module
AssigneeInnolux Corporation
InventorsChih-Jung Huang, Lei-Jie Du, Meng Gao, Ling-Jian Huang, Sheng-Jian Shen, Guang-Lei Zhang
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Abstract
A backlight module includes: a back plate; a first optical film disposed on the back plate; and a second optical film disposed on the first optical film. The first optical film includes a plurality of first protrusions that protrude toward the second optical film, and at least one of the plurality of first protrusions has a first height. The first height is greater than or equal to 4 μm and smaller than or equal to 10 μm.
Claims16
A backlight module comprising:
- a back plate;
- a first optical film disposed on the back plate;
- and
- a second optical film disposed on the first optical film,
- wherein the first optical film includes a plurality of first protrusions that protrude toward the second optical film and a plurality of second protrusions that protrude toward the back plate, and at least one of the plurality of first protrusions has a first height, where the first height is greater than or equal to 4 μm and smaller than or equal to 10 μm;
- wherein a density of the plurality of first protrusions is 0.1% to 0.5%, and a density of the plurality of second protrusions is 1% to 50%;
- wherein the plurality of first protrusions are in direct contact with the second optical film.
4 more elements
Dependencies are inferred from the claim text.