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    • 7. 发明授权
    • CMOS image sensor for photosensitivity and brightness ratio
    • CMOS图像传感器,用于光敏度和亮度比
    • US08053855B2
    • 2011-11-08
    • US11129435
    • 2005-05-16
    • Seung-ho NamJin-hwan KimGee-young Sung
    • Seung-ho NamJin-hwan KimGee-young Sung
    • H01L31/0232
    • H01L27/14623H01L27/14627H01L27/14643H01L27/148
    • A CMOS image sensor for improving light sensitivity and peripheral brightness ratio, and a method for fabricating the same. The CMOS image sensor includes a substrate on which a light sensor and device isolating insulation films are formed, in which the top of the substrate is coated with a plurality of metal layers and oxide films; a plurality of reflective layers formed inside the metal layers, each being spaced apart; a color filter embedded in a groove formed by etching the oxide films inside the reflective layers by a predetermined thickness; a plurality of protrusions formed on both sides of the top of the color filter, each arranged at a predetermined distance from one another; a flat layer formed on the top of the protrusions and the oxide films; and a micro-lens formed on the top of the flat layer. The reflective layer disposed at the top of the photodiode is made of a material having a high reflectance and low absorptivity. Therefore, light incident on the virtual focus plane on the top portion of the reflective layer converges on the photodiode, and thus, the light sensitivity of the sensor is greatly improved.
    • 一种用于提高光敏度和外围亮度比的CMOS图像传感器及其制造方法。 CMOS图像传感器包括其上形成有光传感器和器件隔离绝缘膜的衬底,其中衬底的顶部涂覆有多个金属层和氧化物膜; 形成在所述金属层内的多个反射层,各反射层间隔开; 嵌入在通过在反射层内蚀刻预定厚度的氧化膜形成的凹槽中的滤色器; 多个突起,形成在滤色器的顶部的两侧,每个突起彼此以预定距离布置; 在突起的顶部和氧化物膜上形成的平坦层; 以及形成在平坦层顶部的微透镜。 设置在光电二极管顶部的反射层由具有高反射率和低吸收率的材料制成。 因此,入射到反射层顶部的虚拟聚焦平面上的光会聚在光电二极管上,从而大大提高了传感器的光灵敏度。
    • 8. 发明申请
    • CMOS image sensor for improving photosensitivity and brightness ratio and a method thereof
    • 用于提高光敏度和亮度比的CMOS图像传感器及其方法
    • US20050253212A1
    • 2005-11-17
    • US11129435
    • 2005-05-16
    • Seung-ho NamJin-hwan KimGee-young Sung
    • Seung-ho NamJin-hwan KimGee-young Sung
    • H01L27/14H01L27/146H01L27/148H01L31/0216H04N5/335H04N5/357H04N5/369H04N5/374H01L31/062
    • H01L27/14623H01L27/14627H01L27/14643H01L27/148
    • A CMOS image sensor for improving light sensitivity and peripheral brightness ratio, and a method for fabricating the same. The CMOS image sensor includes a substrate on which a light sensor and device isolating insulation films are formed, in which the top of the substrate is coated with a plurality of metal layers and oxide films; a plurality of reflective layers formed inside the metal layers, each being spaced apart; a color filter embedded in a groove formed by etching the oxide films inside the reflective layers by a predetermined thickness; a plurality of protrusions formed on both sides of the top of the color filter, each arranged at a predetermined distance from one another; a flat layer formed on the top of the protrusions and the oxide films; and a micro-lens formed on the top of the flat layer. The reflective layer disposed at the top of the photodiode is made of a material having a high reflectance and low absorptivity. Therefore, light incident on the virtual focus plane on the top portion of the reflective layer converges on the photodiode, and thus, the light sensitivity of the sensor is greatly improved.
    • 一种用于提高光敏度和外围亮度比的CMOS图像传感器及其制造方法。 CMOS图像传感器包括其上形成有光传感器和器件隔离绝缘膜的衬底,其中衬底的顶部涂覆有多个金属层和氧化物膜; 形成在所述金属层内的多个反射层,各反射层间隔开; 嵌入在通过在反射层内蚀刻预定厚度的氧化膜形成的凹槽中的滤色器; 多个突起,形成在滤色器的顶部的两侧,每个突起彼此以预定距离布置; 在突起的顶部和氧化物膜上形成的平坦层; 以及形成在平坦层顶部的微透镜。 设置在光电二极管顶部的反射层由具有高反射率和低吸收率的材料制成。 因此,入射到反射层顶部的虚拟聚焦平面上的光会聚在光电二极管上,从而大大提高了传感器的光灵敏度。
    • 9. 发明授权
    • Double-side illumination apparatus for display device and dual display device employing the same
    • 用于显示装置的双面照明装置和采用该装置的双显示装置
    • US07777833B2
    • 2010-08-17
    • US11844754
    • 2007-08-24
    • Seong-mo HwangDong-ho WeeSeung-ho Nam
    • Seong-mo HwangDong-ho WeeSeung-ho Nam
    • G02F1/1335
    • G02B6/0038G02B6/0063
    • A double-side illumination apparatus includes a light source, an isotropic light guide plate including an incident plane on which light emitted from the light source is incident, an opposite plane facing the incident plane, and upper and lower surfaces through which the light is out-coupled. Isotropic micro-structures are formed on the upper and lower surfaces of the isotropic light guide plate, respectively, and first and second anisotropic layers are respectively formed on the upper and lower surfaces of the isotropic light guide plate so as to completely cover the isotropic micro-structures. Herein, the first and second anisotropic layers have different refractive indices with respect to light having first and second polarization components that are perpendicular to each other.
    • 一种双面照明装置,包括光源,各向同性导光板,其包括从光源射出的光入射的入射面,面对入射面的相反平面,以及光出射的上下表面 - 联结。 各向同性微结构分别形成在各向同性导光板的上表面和下表面上,并且第一和第二各向异性层分别形成在各向同性导光板的上表面和下表面上,以完全覆盖各向同性微观 结构。 这里,第一和第二各向异性层相对于具有彼此垂直的第一和第二偏振分量的光具有不同的折射率。