Glare Reduction of Lighting Device
By coating the envelope of a lighting device with a phosphor layer that absorbs and re-emits light, the effective emission area is increased, reducing glare and enhancing the lighting experience while maintaining high luminous flux.
JP2025516048APending Publication Date: 2025-05-26SIGNIFY HOLDING BV
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Patent Information
- Application Number
- JP2024565036
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2022-05-03
- Filing Date
- 2023-04-25
- Publication Date
- 2025-05-26
Smart Images
Figure 2025516048000001_ABST
Abstract
A lighting device 10 is provided. The lighting device 10 has a light-emitting element 11 and a translucent envelope 20 that surrounds the light-emitting element 11 and has a surface area that is at least three times larger than the light-emitting area of the light-emitting element 11. The envelope 20 is coated with a phosphor layer 22 having a thickness of 0.05 to 1.0 mm, and the phosphor layer 22 is configured to block less than 30% of the visible light emitted by the light-emitting element 11.
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