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Light emitting apparatus

A technology for light-emitting devices and light-emitting devices, applied in semiconductor devices, electrical components, circuits, etc., can solve problems such as being unable to be properly extracted

Active Publication Date: 2017-05-31
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The intensity of light emitted from the LED becomes strongest in the direction in which the light is received into the surface of the encapsulation layer at an incident angle of about 45 degrees, but the prior art also has the disadvantage of being received into the encapsulation layer at the incident angle. The problem that the light of the surface is not properly extracted as the light emitted from the light emitting device

Method used

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  • Light emitting apparatus
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Examples

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Embodiment Construction

[0025] Hereinafter, example embodiments of light emitting devices will be described in more detail with reference to the accompanying drawings.

[0026] As described herein, interfaces between individual layers and other layers (including air) may be referred to as surfaces of the individual layers. In the drawings, the size and ratio of each component are exaggerated for convenience of description, and may be different from actual ones.

[0027] Figure 1A is a plan view illustrating a structure of a light emitting device according to at least one example embodiment. Figure 1B is a cross-sectional view illustrating a structure of a light emitting device according to at least one example embodiment. Figure 1A is a plan view of the light emitting device 100 . Figure 1B is along Figure 1A A cross-sectional view taken along the line IB-IB'. Figure 1A with Figure 1B A chip-on-board (COB) structure is shown as an example of the structure of the light emitting device 100 . ...

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Abstract

A light emitting device includes a light emitting device on a substrate; an encapsulation layer covering the light emitting device; and a texture layer on the encapsulation layer. A surface of the texture layer has a ridge structure. A radial cross section of the ridge structure has a triangular shape with a distal vertex relative to the encapsulation layer surface. The distal vertex has one or more altitude angles, and the one or more altitude angles are less than or equal to 40 degrees.

Description

[0001] This application claims the benefit of priority of Japanese Patent Application No. 2015-229157 filed on November 24, 2015 and Korean Patent Application No. 10-2016-0003149 filed with the Korean Intellectual Property Office on January 11, 2016, The disclosures of these patent applications are hereby incorporated by reference in their entirety. technical field [0002] The present inventive concept relates to a light emitting device, and more particularly, to a light emitting device using a light emitting device. Background technique [0003] In recent years, high-efficiency light-emitting devices using light-emitting diodes (hereinafter referred to as LEDs) as light-emitting devices are being pursued. [0004] An LED is a semiconductor device including a P-type semiconductor and an N-type semiconductor combined with each other. In LEDs, when a voltage level is applied to the junction, electrons and holes can combine with each other in the junction. The LED may emit l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L33/54H01L33/58H01L33/60
CPCH01L33/54H01L33/58H01L33/60H01L33/508H01L33/505H01L33/507H01L33/20H01L33/22
Inventor 山田幸香
Owner SAMSUNG ELECTRONICS CO LTD