Vehicle lamp using semiconductor light emitting device
A technology for light-emitting elements and vehicle lamps, which can be applied to semiconductor devices, semiconductor devices of light-emitting elements, headlights, etc., and can solve the problems of low mass production rate, high cost, and weak flexibility.
Active Publication Date: 2019-05-14
LG ELECTRONICS INC
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Problems solved by technology
[0004] However, since the vehicle lamps developed so far use packaged light-emitting diodes, there are disadvantages such as low mass production rate and high cost, and weak flexibility.
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[0029] Hereinafter, the embodiments disclosed in this specification will be described in detail with reference to the drawings. Herein, the same reference numerals are given to the same or similar structural elements irrespective of the reference numerals, and repeated description thereof will be omitted. The suffixes "module" and "part" for structural elements used in the following description are given or used in combination only for the convenience of writing the description, and do not have mutually distinguishing meanings or functions. In addition, in the process of describing the embodiments disclosed in the present invention, if it is judged that the specific description of related known technologies will lead to confusion of the technical ideas of the embodiments disclosed in this specification, the detailed description will be omitted. In addition, the attached drawings are only for easy understanding of the embodiments disclosed in this specification, and the technica...
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A lamp for a vehicle includes a light source unit configured to emit light. The light source unit includes a substrate that includes a wiring electrode, a plurality of semiconductor light emitting devices electrically connected to the wiring electrode, a plurality of phosphor layers that respectively cover the plurality of semiconductor light emitting devices and that are configured to convert wavelengths of light, and barrier ribs disposed on the substrate and configured to reflect light, the barrier ribs being interposed between the plurality of semiconductor light emitting devices. A heightof each of the barrier ribs exceeds a height of each of the plurality of semiconductor light emitting devices in a thickness direction of the plurality of semiconductor light emitting devices.
Description
technical field [0001] The present invention relates to a vehicle lamp, and in particular, to a vehicle lamp using a semiconductor light emitting element. Background technique [0002] Vehicles are equipped with various vehicle lamps having a lighting function or a signaling function. Generally, halogen lamps or gas discharge lamps have been mainly used, but recently, light emitting diodes (LEDs; Light Emitting Diodes) have attracted attention as light sources for vehicle lamps. [0003] In the case of light-emitting diodes, the degree of freedom in lamp design can be improved by minimizing the size, and they are economical because of their semi-permanent life, and most of them are currently produced in packages. An unpackaged light emitting diode (Light Emitting Diode: LED) itself is a semiconductor light emitting element that converts electric current into light, and is being developed as a light source for displaying images in electronic devices including information and...
Claims
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IPC IPC(8): F21S41/141F21S41/19F21S43/14F21S43/19H01L25/075H01L33/60F21W102/13F21Y115/10
CPCF21S41/19F21S41/192F21S41/155F21S43/19F21S43/195F21S43/14F21S43/145F21S43/15F21S41/153H01L25/0753H01L33/60H01L2933/0041H01L33/508F21S41/141H01L33/505F21S2/005H01L27/15H01L33/005H01L33/483H01L33/50F21Y2115/10F21W2107/00H01L33/502H01L25/03
Inventor 许志桓俞世濬李钟茂
Owner LG ELECTRONICS INC