Projection light source structure with bat-wing candle power distribution
AssigneeArex(Twn) International Co., Ltd.
InventorsYuh-sheng LIN, Che-Chun CHANG, Chin-hung LIN
Life of this patent
Estimating the term…
Abstract
A projection light source structure having the bat-wing candle power distribution is described. The projection light source structure includes a light-emitting diode, a prism sheet and/or a reflection structure. The light source is adjusted by a prism sheet and/or a diffuser assembly to control the LED light source to form a bat-wing candle power distributions with a uniform emitting light, and by the reflection structure so that the emitting light to form a predetermined shape of the illuminance area.
Claims25
A projection light source structure having a bat-wing candle power distribution, comprising:
- at least one light-emitting diode (LED) light source disposed on a substrate to form a light;
- and
- a prism sheet having a first light incident surface and a first light emitting surface opposite to the first light incident surface, wherein the first light incident surface is directed to the at least one light-emitting diode light source, a plurality of prismatic structures is distributed on the first light incident surface to guide the light for projecting the light from the first light incident surface to the first light emitting surface to form the bat-wing candle power distribution having an emitting light.
A projection light source structure having a bat-wing candle power distribution, comprising:
- at least one light-emitting diode (LED) light source disposed on a substrate to form a light;
- a prism sheet having a first light incident surface and a first light emitting surface opposite to the first light incident surface, wherein the first light incident surface is directed to the at least one light-emitting diode light source, a plurality of prismatic structures is distributed on the first light incident surface to guide the light for projecting the light from the first light incident surface to the first light emitting surface to form the bat-wing candle power distribution having an emitting light;
- and
- a diffuser assembly adjacent to the prism sheet, wherein the prism sheet is disposed between the at least one LED light source and the diffuser assembly to diffuse the emitting light of the bat-wing candle power distributions to form a uniform emitting light.
Dependencies are inferred from the claim text.