Assignee
BEIJING RAYBOCH TECH CO LTD
CN·2 granted patents·1 pending application·0 citations·filing 2021–2023
Top patents by PatentIndex Score
3 records- 0156US11927782B2Phase retardation device, preparation method therefor, and display apparatusBEIJING RAYBOCH TECH CO LTD·Filed 2023·Granted Mar 12, 2024·0 cites·10 claims
- 0250US11686976B2Phase delay device comprising a liquid crystal layer having a spiral structure, preparation method, and display deviceBEIJING RAYBOCH TECH CO LTD·Filed 2022·Granted Jun 27, 2023·0 cites·8 claims
- 0346US2024045127A1Phase retarding apparatus, preparation method therefor, and display deviceBEIJING RAYBOCH TECH CO LTD·Filed 2021·Application pending·0 cites
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