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    • 2. 发明授权
    • Piezoelectric light-emitting diode and backlight system using the same
    • 压电发光二极管和背光系统使用相同
    • US07168840B2
    • 2007-01-30
    • US10972629
    • 2004-10-25
    • Charles LeuTai-Cherng YuGa-Lane Chen
    • Charles LeuTai-Cherng YuGa-Lane Chen
    • F21V7/04F21V5/00H01J63/04
    • G02B6/0025G02B6/003G02B6/0073
    • A light-emitting diode (LED) (110) includes a chip body (113), an encapsulation can (115) surrounding the chip body, and a base (111) supporting the encapsulation can and the chip body thereon. A diffraction grating (117) is provided at a surface of the encapsulation can, and the encapsulation can is made of a piezoelectric material for widening radiation angles of light beams emitted from the chip body. With the diffraction grating and the piezoelectric encapsulation can, light beams from the chip body are diffracted and attain wider radiation angles. A backlight system (100) includes a light guide plate (120), and a number of the above-described LEDs disposed adjacent to the light guide plate. Light beams having wide radiation angles are emitted from the LEDs and enter the light guide plate. This enables a light-emitting surface (122) of the light guide plate to have highly uniform brightness.
    • 发光二极管(LED)(110)包括芯体(113),围绕芯片体的封装罐(115),以及支撑封装罐的基座(111)和芯片体。 衍射光栅(117)设置在封装罐的表面,封装罐由用于加宽从芯片体发射的光束的辐射角的压电材料制成。 利用衍射光栅和压电封装,来自芯片体的光束被衍射并获得更宽的辐射角。 背光系统(100)包括导光板(120)和与导光板相邻布置的多个上述LED。 具有宽辐射角的光束从LED发射并进入导光板。 这使得导光板的发光表面(122)具有高度均匀的亮度。
    • 3. 发明授权
    • Light guide plate with diffraction gratings and backlight module using the same
    • 导光板采用衍射光栅和背光模组使用
    • US07085056B2
    • 2006-08-01
    • US10951207
    • 2004-09-27
    • Ga-Lane ChenCharles LeuTai-Cherng Yu
    • Ga-Lane ChenCharles LeuTai-Cherng Yu
    • G02B5/18G02B27/44
    • G02B6/0038G02B21/36
    • A light guide plate (20) has a light incidence surface (221) for receiving light, a light emitting surface (223) for emitting light, and a bottom surface (222). The light emitting surface has a plurality of diffraction grating units. Each diffraction grating unit has a strong diffractive portion and a weak diffractive portion. In each diffraction grating unit, grating directions of the strong and weak diffractive portions are orthogonal to each other. Area ratios of the strong diffractive portions in the diffraction grating units progressively increase with increasing distance away from the light incidence surface. The grating directions of the strong diffractive portions may vary according to the locations of the diffraction grating units relative to a light source. These features improve the overall efficiency of utilization of light, and enable the light emitting surface to output highly uniform light.
    • 导光板(20)具有用于接收光的光入射面(221),用于发光的发光面(223)和底面(222)。 发光面具有多个衍射光栅单元。 每个衍射光栅单元具有强衍射部分和弱衍射部分。 在每个衍射光栅单元中,强和弱衍射部分的光栅方向彼此正交。 衍射光栅单元中的强衍射部分的面积比随着离开光入射面的距离的增加而逐渐增加。 强衍射部分的光栅方向可以根据衍射光栅单元相对于光源的位置而变化。 这些特征提高了光的利用的总体效率,并且使得发光表面能够输出高度均匀的光。
    • 4. 发明申请
    • Light guide plate and backlight module using the same
    • 导光板和背光模组使用相同
    • US20060018623A1
    • 2006-01-26
    • US11181634
    • 2005-07-14
    • Tai-Cherng YuCharles LeuGa-Lane Chen
    • Tai-Cherng YuCharles LeuGa-Lane Chen
    • G02B6/10
    • G02B6/0038G02B6/0046G02B6/0061
    • A backlight module (2) includes a light source (66) and a light guide plate (20), the light guide plate includes a light incidence surface (25), a light-emitting surface (21) adjacent to the light incidence surface; and a bottom surface (22) opposite to the light-emitting surface, the bottom surface includes a plurality of curved grooves (23), the light-emitting surface includes a plurality of grooves (24). In the backlight module, because of the curved grooves of the bottom surface and the grooves of the light-emitting surface, light beams entering the light guide plate are concentrated at the bottom surface and light-emitting surface, thus the surface light beams outputting from the light-emitting surface have a rather higher brightness.
    • 背光模块(2)包括光源(66)和导光板(20),所述导光板包括光入射表面(25),与所述光入射表面相邻的发光表面(21) 和与所述发光面相反的底面(22),所述底面包括多个弯曲槽(23),所述发光面包括多个槽(24)。 在背光模块中,由于底面的弯曲凹槽和发光面的凹槽,入射到导光板的光束在底面和发光面集中,因此表面光束从 发光面具有相当高的亮度。
    • 6. 发明申请
    • Transfer printing method for injection molding process
    • 转印法注塑成型工艺
    • US20050200043A1
    • 2005-09-15
    • US11024505
    • 2004-12-29
    • Charles LeuTai-Cherng YuGa-Lane Chen
    • Charles LeuTai-Cherng YuGa-Lane Chen
    • B81C99/00B29C45/00
    • B29C45/14688B29C2037/0046B29C2045/14745
    • A transfer printing method for an injection molding process includes the steps of: (a) providing a multi-channel ink-jet printer head comprising a Micro-Electro-Mechanical-System (MEMS), and inputting information of a predetermined pattern to the MEMS; and (b) applying said printer head in an injection molding process to form an injection molded product having said predetermined pattern. In the method, the predetermined pattern can be changed by changing the information which is input to the MEMS. This cuts down the number of operating steps required, and reduces costs. Furthermore, the multi-channel ink-jet printer head can operate very precisely under the control of the MEMS. This enhances the operating efficiency. Thus, the method of the present invention can be advantageously applied in mass production facilities.
    • 一种注射成型方法的转印方法,包括以下步骤:(a)提供包括微机电系统(MEMS)的多通道喷墨打印机头,并将预定图案的信息输入到MEMS ; 和(b)在注射成型工艺中施加所述打印头以形成具有所述预定图案的注塑产品。 在该方法中,可以通过改变输入到MEMS的信息来改变预定图案。 这减少了所需的操作步骤数量,并降低了成本。 此外,多通道喷墨打印机头可以在MEMS的控制下非常精确地操作。 这提高了操作效率。 因此,本发明的方法可以有利地应用于大规模生产设备。
    • 9. 发明申请
    • Piezoelectric light-emitting diode and backlight system using the same
    • 压电发光二极管和背光系统使用相同
    • US20050088837A1
    • 2005-04-28
    • US10951845
    • 2004-09-27
    • Charles LeuGa-Lane ChenTai-Cherng Yu
    • Charles LeuGa-Lane ChenTai-Cherng Yu
    • F21V8/00G02F1/13357H01L33/54F21V7/04
    • G02B6/0023G02B6/0036G02B6/0061G02F1/133615H01L33/54H01L2933/0091
    • A light-emitting diode (LED) (10) includes a chip body (103), an encapsulation can (105) surrounding the chip body, and a base (106) supporting the encapsulation can and the chip body thereon. Numerous diffusion structures (1050) are provided on the encapsulation can, and the encapsulation can is made of a piezoelectric material for widening radiation angles of light beams emitted from the chip body. With the diffusion structures and the piezoelectric encapsulation can, light beams from the chip body are diffused and attain wider radiation angles. A backlight system (900) includes a light guide plate (20), and a number of the above-described LEDs disposed adjacent to the light guide plate. Light beams having wide radiation angles are emitted from the LEDs and enter the light guide plate. This enables a light emitting surface of the light guide plate to have highly uniform brightness.
    • 发光二极管(LED)(10)包括芯片体(103),围绕芯片体的封装罐(105)以及支撑封装罐和芯片体的基座(106)。 在封装罐上设置有多个扩散结构(1050),并且封装罐由用于加宽从芯片体发射的光束的辐射角的压电材料制成。 利用扩散结构和压电封装,来自芯片体的光束被扩散并获得更宽的辐射角。 背光系统(900)包括导光板(20)和与导光板相邻布置的多个上述LED。 具有宽辐射角的光束从LED发射并进入导光板。 这使得导光板的发光表面具有高度均匀的亮度。
    • 10. 发明授权
    • Hybrid lens
    • 混合镜头
    • US07336423B2
    • 2008-02-26
    • US11070507
    • 2005-03-02
    • Charles LeuTai-Cherng YuGa-Lane Chen
    • Charles LeuTai-Cherng YuGa-Lane Chen
    • G02B3/00G02B3/02G02C7/02
    • G02B3/00
    • A hybrid lens (10) includes a plastic lens (12) and a glass coating film (14). The plastic lens is manufactured by injection molding. The glass coating film is formed on an outer surface of the plastic lens and encloses the outer surface of the plastic lens. The coating film comprises a single layer of glass material or a plurality of layers of glass material. The glass coating film is deposited on the outer surface of the plastic lens by vacuum deposition. The hybrid lens reduces chromatic aberration and provides improved image quality for an imaging system. A method for making the hybrid lens is also provided.
    • 混合透镜(10)包括塑料透镜(12)和玻璃涂膜(14)。 塑料镜片通过注射成型制造。 玻璃涂膜形成在塑料透镜的外表面上并且包围塑料透镜的外表面。 涂膜包括单层玻璃材料或多层玻璃材料。 通过真空沉积将玻璃涂膜沉积在塑料透镜的外表面上。 混合透镜减少色差并为成像系统提供改进的图像质量。 还提供了制造混合透镜的方法。