公开(公告)号：US20150062922A1

公开(公告)日：2015-03-05

申请号：US14219037

申请日：2014-03-19

Applicant: Lextar Electronics Corporation

Inventor： Chih-Min Huang ,  Kuang-Neng Yang ,  Kun-Hua Wu

IPC: F21K99/00

CPC classification number: F21K9/60 ,  F21V5/04 ,  F21V11/00 ,  F21Y2101/00 ,  F21Y2115/10 ,  G02B5/003 ,  G02B5/0247 ,  G02B19/0014 ,  G02B19/0066 ,  G02B19/0071

Abstract: A lens device and a light source module using the same are provided. The lens device comprises a lens and a patterned light shielding layer. The lens has a middle light emitting surface and a periphery light emitting surface surrounding the middle light emitting surface. The patterned light shielding layer is formed on the periphery light emitting surface of the lens.

Abstract translation: 提供了一种透镜装置和使用该透镜装置的光源模块。 透镜装置包括透镜和图案化遮光层。 透镜具有中间发光面和围绕中间发光面的周边发光面。 图案化遮光层形成在透镜的周边发光面上。

公开(公告)号：US20150060913A1

公开(公告)日：2015-03-05

申请号：US14243839

申请日：2014-04-02

Applicant: LEXTAR ELECTRONICS CORPORATION

Inventor： Po-Hung TSOU ,  Tzu-Hung CHOU

IPC: H01L33/24 ,  H01L33/00

CPC classification number: H01L33/20 ,  H01L33/005

Abstract: A light-emitting diode is provided. The light-emitting diode includes an N-type epitaxial layer, a light-emitting layer disposed on a portion of the N-type epitaxial layer to expose a partial surface of the N-type epitaxial layer, and a P-type epitaxial layer disposed on the light-emitting layer, wherein the P-type epitaxial layer has a ladder-shaped sidewall. The light-emitting diode further includes a P-type electrode disposed on the P-type epitaxial layer and an N-type electrode disposed on the exposed surface of the N-type epitaxial layer. Furthermore, a method of fabricating a light-emitting diode is also provided. The method includes performing an anisotropic-etching process to a P-type epitaxial layer to form a rounded or a right-angled ladder on the sidewall of the P-type epitaxial layer.

Abstract translation: 提供了一种发光二极管。 发光二极管包括N型外延层，设置在N型外延层的一部分上以暴露N型外延层的局部表面的发光层和设置在N型外延层中的P型外延层 在其中P型外延层具有梯形侧壁的发光层上。 发光二极管还包括设置在P型外延层上的P型电极和设置在N型外延层的暴露表面上的N型电极。 此外，还提供了制造发光二极管的方法。 该方法包括对P型外延层执行各向异性蚀刻处理，以在P型外延层的侧壁上形成圆形或直角梯形。

公开(公告)号：US20150048385A1

公开(公告)日：2015-02-19

申请号：US14094971

申请日：2013-12-03

Applicant: Lextar Electronics Corporation

Inventor： Wei-Chang YU ,  Chien-Cheng CHANG ,  Chih-Sheng HSU

IPC: H01L33/02 ,  H01L21/3065

CPC classification number: H01L33/02 ,  H01L33/10 ,  H01L33/22 ,  H01L2933/0083

Abstract: A method of manufacturing a light emitting diode (LED) substrate includes following steps: providing a nano-patterned substrate, which has a plurality of convex portions and a plurality of first concave portions that are spaced apart from each other, wherein each first concave portion has a depth (d1); forming a plurality of protection structures to cover each convex portion, and exposing a bottom surface of each first concave portion; performing an anisotropic etching processing to etch the bottom surface of each first concave portion which is not covered by the protection structure so as to form a plurality of second concave portions having a depth (d2), and d2 is greater than d1.

Abstract translation: 一种制造发光二极管（LED）基板的方法包括以下步骤：提供具有多个凸起部分和彼此间隔开的多个第一凹部的纳米图案化基板，其中每个第一凹部 具有深度（d1）; 形成多个保护结构以覆盖每个凸部，并且暴露每个第一凹部的底面; 进行各向异性蚀刻处理以蚀刻未被保护结构覆盖的每个第一凹部的底面，以形成具有深度（d2）的多个第二凹部，并且d2大于d1。

公开(公告)号：US20150042924A1

公开(公告)日：2015-02-12

申请号：US14324387

申请日：2014-07-07

Applicant: Lextar Electronics Corporation

Inventor： Chen-Yi Su ,  Yung-Long Jian

IPC: F21V8/00 ,  G02F1/1335

CPC classification number: G02B6/0011 ,  G02B6/0091 ,  G02F1/133615 ,  G02F2201/46

Abstract: A light emitting device comprising a first frame, a light bar and a light guide plate is provided. The first frame has a groove which has a bottom plane, two inner walls, and an opening. The light bar disposed in the groove comprises a substrate having a lower surface attached to the bottom plane and an upper surface having several light sources. The light guide plate has a light emitting surface and a light incident surface. The light incident surface perpendicular and adjoining to the light emitting surface has several abutting portions. The light guide plate is inserted to the groove via the opening. The emitting light of the light source entering the light guide plate is guided by the light guide plate to be emitted off the light emitting surface. The abutting portions abut to the upper surface, so that the light bar is fixed in the groove.

Abstract translation: 提供了包括第一框架，光杆和导光板的发光装置。 第一框架具有凹槽，其具有底平面，两个内壁和开口。 设置在槽中的灯条包括具有附接到底平面的下表面的基板和具有多个光源的上表面。 导光板具有发光面和光入射面。 与发光面垂直且相邻的光入射面具有多个邻接部。 导光板通过开口插入槽中。 进入导光板的光源的发光由导光板引导，从发光面发射出去。 邻接部分邻接于上表面，使得光条固定在凹槽中。

公开(公告)号：US20150042241A1

公开(公告)日：2015-02-12

申请号：US14256030

申请日：2014-04-18

Applicant: Lextar Electronics Corporation

Inventor： Chen-Yi Su ,  Yung-Long Jian

IPC: H05B33/08

CPC classification number: H05B33/0857 ,  H05B33/0827 ,  H05B33/086

Abstract: A light emitting device comprising a carrier board, a first group of light emitting elements, a second group of light emitting elements and a driver circuit. The first group of light emitting elements includes a plurality of first LEDs disposing on the carrier board and are used for emitting a first color temperature light. The second group of light emitting elements includes a plurality of second LEDs disposing on the carrier board and are used for emitting a second color temperature light. The first LEDs and the second LEDs are disposed in an alternative arrangement. The driver circuit output a first and a second driving current to drives the first LED and the second LED respectively. When the first driving current is the maximum, the second driving current is the minimum, and vice versa. The minimum of the first driving current and the second driving current is not zero.

Abstract translation: 一种发光器件，包括载体板，第一组发光元件，第二组发光元件和驱动器电路。 第一组发光元件包括布置在载体板上并用于发射第一色温光的多个第一LED。 第二组发光元件包括布置在载板上的多个第二LED，用于发射第二色温光。 第一LED和第二LED以替代布置设置。 驱动电路输出第一和第二驱动电流，分别驱动第一LED和第二LED。 当第一驱动电流为最大值时，第二驱动电流为最小值，反之亦然。 第一驱动电流和第二驱动电流的最小值不为零。

公开(公告)号：US20140367635A1

公开(公告)日：2014-12-18

申请号：US14089948

申请日：2013-11-26

Applicant: LEXTAR ELECTRONICS CORPORATION

Inventor： Shiou-Yi KUO

IPC: H01L33/24 ,  H01L33/06

CPC classification number: H01L33/42 ,  H01L33/38

Abstract: An LED structure includes a substrate, an emitting multilayer structure, a plurality of microstructures and a transparent conductive layer. The emitting multilayer structure is formed on the substrate. The microstructures are spaced apart from each other on the light emitting multilayer structure, and an upper surface of each microstructure has a concave-convex surface. The transparent conductive layer is conformably covered over the light emitting multilayer structure and the microstructures. The transparent conductive layer has similar concave-convex surfaces due to the concave-convex surface of each microstructure. The light emitted from the emitting multilayer structure is changed due to the concave-convex surface of the transparent conductive layer, so that the phenomenon of total internal reflection can be reduced so as to increase the light transmittance.

Abstract translation: LED结构包括基板，发光多层结构，多个微结构和透明导电层。 发光多层结构形成在基板上。 微结构在发光多层结构上彼此间隔开，并且每个微结构的上表面具有凹凸表面。 透明导电层被顺应地覆盖在发光多层结构和微结构上。 由于每个微结构的凹凸表面，透明导电层具有类似的凹凸表面。 从发光多层结构发射的光由于透明导电层的凹凸表面而改变，从而可以减小全内反射现象，从而增加透光率。

公开(公告)号：US08912561B2

公开(公告)日：2014-12-16

申请号：US13960851

申请日：2013-08-07

Applicant: Lextar Electronics Corporation

Inventor： Yong-Hong Liao ,  Yun-Yi Tien ,  Jian-Chin Liang

IPC: C09K11/77 ,  C09K11/65 ,  H05B33/10 ,  C09K11/02

CPC classification number: C09K11/7783 ,  C09K11/02 ,  C09K11/08 ,  C09K11/65 ,  C09K11/7728 ,  C09K11/7759 ,  C09K11/7766 ,  H05B33/10 ,  Y10T428/2998

Abstract: A phosphor composition is provided. The phosphor composition comprises a phosphor nucleus and a hydrophobic layer. The hydrophobic layer is bonded on a surface of the phosphor nucleus and consists of an organic compound with a hydrophobic functional group.

Abstract translation: 提供荧光体组合物。 磷光体组合物包含荧光体核和疏水层。 疏水层结合在荧光体核的表面上，并由具有疏水官能团的有机化合物组成。

公开(公告)号：US20140327366A1

公开(公告)日：2014-11-06

申请号：US14158872

申请日：2014-01-20

Applicant: Lextar Electronics Corporation

Inventor： En-Min WU

IPC: H05B33/08

CPC classification number: H05B33/0815

Abstract: An illumination device includes a light-emitting diode (LED) lamp and a LED dimming circuit. The LED dimming circuit includes a power converting module, a sensing unit and a dimming module. The power converting module is used to generate a driving voltage to drive the LED lamp. The sensing unit is used to generate a sensing voltage signal. The dimming module includes an input interface, a dimming signal generator and an isolating unit. The input interface is used to receive a dimming control signal. The dimming signal generator is used to output a first feedback signal based on the sensing voltage signal and the dimming control signal. The isolating unit is used to receive the first feedback signal and output a second feedback signal to the power converting module so as to control a driving current.

Abstract translation: 照明装置包括发光二极管（LED）灯和LED调光电路。 LED调光电路包括电源转换模块，感测单元和调光模块。 电源转换模块用于产生驱动LED灯的驱动电压。 感测单元用于产生感测电压信号。 调光模块包括输入接口，调光信号发生器和隔离单元。 输入接口用于接收调光控制信号。 调光信号发生器用于基于感测电压信号和调光控制信号输出第一反馈信号。 隔离单元用于接收第一反馈信号并将第二反馈信号输出到功率转换模块，以便控制驱动电流。

公开(公告)号：US20140312368A1

公开(公告)日：2014-10-23

申请号：US14219035

申请日：2014-03-19

Applicant: Lextar Electronics Corporation

Inventor： Chia-En Lee ,  Chia-Hung Hou

IPC: H01L33/00 ,  H01L33/50 ,  H01L27/15

CPC classification number: H01L33/502 ,  H01L21/6835 ,  H01L25/0753 ,  H01L27/156 ,  H01L33/0079 ,  H01L33/08 ,  H01L33/504 ,  H01L33/56 ,  H01L2221/68354 ,  H01L2221/68368 ,  H01L2221/68381 ,  H01L2924/0002 ,  H01L2933/0041 ,  H01L2924/00

Abstract: A manufacturing method of a LED display is provided. A temporary substrate is provided, wherein the temporary substrate has a first adhesive layer and a plurality of first, second and third LED chips mounted on the first adhesive layer. A first transparent substrate is provided, the transparent substrate has a plurality of pixels disposed thereon, and each of the pixels comprises a first sub-pixel, a second sub-pixel and a third sub-pixel respectively surrounded by a light-insulating structure. Then, the temporary substrate and the first transparent substrate are bonded together, such that each of the first, second and third LED chips is correspondingly mounted in each of the first sub-pixels, the second sub-pixels and the third sub-pixels. After that, the temporary substrate is removed. A LED display manufactured by said method is also provided.

Abstract translation: 提供了一种LED显示器的制造方法。 提供了一种临时衬底，其中临时衬底具有第一粘合剂层和安装在第一粘合剂层上的多个第一，第二和第三LED芯片。 提供第一透明衬底，透明衬底具有设置在其上的多个像素，并且每个像素包括分别由光隔离结构包围的第一子像素，第二子像素和第三子像素。 然后，将临时基板和第一透明基板接合在一起，使得第一，第二和第三LED芯片中的每一个相应地安装在每个第一子像素，第二子像素和第三子像素中。 之后，移除临时衬底。 还提供了通过所述方法制造的LED显示器。

公开(公告)号：US20140306616A1

公开(公告)日：2014-10-16

申请号：US14077261

申请日：2013-11-12

Applicant: Lextar Electronics Corporation

Inventor： En-Min Wu

IPC: H05B33/08

CPC classification number: H05B33/0815

Abstract: An LED drive circuit applied between an LED load and an AC power supply is provided. The circuit includes a rectifier, a power conversion module, a voltage regulator, a photo coupler and a controller. The rectifier rectifies and converts an AC voltage outputted from the AC power supply into a DC voltage. The power conversion module converts the DC voltage into a first drive voltage and a second drive voltage. The first drive voltage drives the LED load. The voltage regulator receives and processes the second drive voltage with a voltage regulating process to generate a third drive voltage not exceeding a maximum voltage rating of the controller. The photo coupler generates a feedback signal according to a signal outputted from the LED load. The controller receives the third drive voltage and generates a control signal to control the power conversion module according to the feedback signal.

Abstract translation: 提供了应用在LED负载和交流电源之间的LED驱动电路。 电路包括整流器，电源转换模块，电压调节器，光耦合器和控制器。 整流整流并将从交流电源输出的交流电压转换为直流电压。 电力转换模块将DC电压转换成第一驱动电压和第二驱动电压。 第一个驱动电压驱动LED负载。 电压调节器通过电压调节过程接收和处理第二驱动电压，以产生不超过控制器的最大额定电压的第三驱动电压。 光耦合器根据从LED负载输出的信号产生反馈信号。 控制器接收第三驱动电压并产生控制信号，以根据反馈信号控制功率转换模块。