公开(公告)号：US09236533B2

公开(公告)日：2016-01-12

申请号：US14368268

申请日：2012-12-21

Applicant: Seoul Viosys Co., Ltd.

Inventor： Tae Hyuk Im ,  Chang Yeon Kim ,  Yeo Jin Yoon ,  Joon Hee Lee ,  Ki Bum Nam ,  Da Hye Kim ,  Chang Ik Im ,  Young Wug Kim

IPC: H01L29/16 ,  H01L33/44 ,  H01L33/22 ,  H01L33/38 ,  H01L33/32 ,  H01L33/00 ,  H01L33/20

CPC classification number: H01L33/44 ,  H01L33/0008 ,  H01L33/0079 ,  H01L33/06 ,  H01L33/20 ,  H01L33/22 ,  H01L33/32 ,  H01L33/38 ,  H01L33/387 ,  H01L33/405 ,  H01L33/60 ,  H01L2933/0083 ,  H01L2933/0091

Abstract: Disclosed are a light-emitting diode and a method for manufacturing the same. A light-emitting diode according to one aspect of the present invention includes: a first conductive clad layer; a light-scattering pattern configured, in the first conductive clad layer, having a refractive index different from that of the first conductive clad layer; an active layer located under the first conductive clad layer; a second conductive clad layer located under the active layer; a first electrode configured to be electrically connected to the first conductive clad layer; and a second electrode configured to be electrically connected to the second conductive clad layer. The light-scattering pattern can improve light extraction efficiency.

Abstract translation: 公开了一种发光二极管及其制造方法。 根据本发明的一个方面的发光二极管包括：第一导电覆层; 在第一导电覆层中配置的折射率不同于第一导电覆层的折射率的光散射图案; 位于第一导电覆层下方的有源层; 位于有源层下方的第二导电覆层; 第一电极，被配置为电连接到所述第一导电包覆层; 以及第二电极，被配置为电连接到第二导电包覆层。 光散射图可以提高光提取效率。

公开(公告)号：US20150318436A1

公开(公告)日：2015-11-05

申请号：US14436068

申请日：2013-08-01

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Jeong Hun Heo ,  Joo Won Choi ,  Choong Min Lee ,  Young Wug Kim ,  Su Jin Shin ,  Su Youn Hong

IPC: H01L33/00 ,  H01L33/32 ,  H01L33/46 ,  H01L33/20

CPC classification number: H01L33/0079 ,  H01L33/0075 ,  H01L33/0095 ,  H01L33/12 ,  H01L33/20 ,  H01L33/32 ,  H01L33/46 ,  H01L2933/0025

Abstract: Disclosed are a method for separating a growth substrate, a method for manufacturing a light-emitting diode, and the light-emitting diode. The method for separating a growth substrate, according to one embodiment, comprises: preparing a growth substrate; forming a sacrificial layer and a mask pattern on the growth substrate; etching the sacrificial layer by using electrochemical etching (ECE); covering the mask pattern, and forming a plurality of nitride semiconductor stacking structures which are separated from each other by an element separation area; attaching a support substrate to the plurality of semiconductor stacking structures, wherein the support substrate has a plurality of through-holes connected to the element separation area; and separating the growth substrate from the nitride semiconductor stacking structures.

Abstract translation: 公开了用于分离生长衬底的方法，制造发光二极管的方法和发光二极管。 根据一个实施方案的分离生长衬底的方法包括：制备生长衬底; 在生长衬底上形成牺牲层和掩模图案; 通过使用电化学蚀刻（ECE）蚀刻牺牲层; 覆盖掩模图案，并且通过元件分离区域形成彼此分离的多个氮化物半导体堆叠结构; 将支撑基板附接到所述多个半导体堆叠结构，其中所述支撑基板具有连接到所述元件分离区域的多个通孔; 以及将生长衬底与氮化物半导体堆叠结构分离。

公开(公告)号：US20150317930A1

公开(公告)日：2015-11-05

申请号：US14715341

申请日：2015-05-18

Applicant: Seoul Viosys Co., Ltd.

Inventor： Chang Yeon Kim ,  Tae Hyuk Im ,  Young Wug Kim

IPC: G09G3/32

CPC classification number: G09G3/32 ,  H05B33/0815 ,  Y02B20/346

Abstract: A light-emitting diode driving device enabling an excellent heat-dissipation function and high-efficient driving is disclosed. The disclosed LED driving device comprises: a power source unit providing an alternate current voltage; a rectification unit communicatively coupled to the power source and rectifying the alternate current voltage; a driving signal generation unit configured to receive the rectified voltage from the rectification unit and generate a primary driving signal by using the rectified voltage; and an LED driving signal modulation unit communicatively coupled to the driving signal generator, the LED driving signal modulation unit configured to receive the primary driving signal and generating a secondary pulse driving signal by modulating the primary driving signal, and LED groups including LEDs and configured to receive the primary driving signal or the second pulse driving signal such that the LED groups operate responsive to the primary driving signal or the secondary pulse driving signal.

Abstract translation: 公开了一种能够实现优异的散热功能和高效率驱动的发光二极管驱动装置。 所公开的LED驱动装置包括：提供交流电压的电源单元; 整流单元，其通信地耦合到电源并整流交流电压; 驱动信号生成单元，被配置为从整流单元接收整流电压，并通过使用整流电压产生主驱动信号; 以及LED驱动信号调制单元，其通信地耦合到所述驱动信号发生器，所述LED驱动信号调制单元被配置为接收所述主驱动信号并且通过调制所述主驱动信号产生次脉冲驱动信号，以及LED组包括LED并且被配置为 接收主要驱动信号或第二脉冲驱动信号，使得LED组响应于主驱动信号或辅助脉冲驱动信号而工作。