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    • 4. 发明申请
    • BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE
    • 背光模组和液晶显示装置
    • WO2015014103A3
    • 2015-04-16
    • PCT/CN2014000877
    • 2014-09-28
    • SUZHOU NEWIDEA ELECTRONIC CO LTDREN JIE
    • REN JIE
    • G02F1/13357
    • G02F1/133606
    • A backlight module (1) and a liquid crystal display device. The backlight module (1) comprises a light source (11), a reflector plate (12), and a diffusion plate (13). The diffusion plate (13) is provided above the light source (11) in the direction of the light emission of the light source. The reflection plate (12) is provided below the light source in the direction of the light emission of the light source (11). The material of the substrate of the diffusion plate (13) is non-woven fabric comprising within fibrous diffusion structures. The liquid crystal display device comprises the backlight module (1) and a liquid crystal display (2). The liquid crystal display (2) is provided above the diffusion plate (13). At least one brightening plate (3) is provided between the liquid crystal display (2) and the diffusion plate (13). The backlight module (1) and the liquid crystal display have the advantages of uniform light guiding, simple manufacturing, light weight and thinness, and low cost, and are suited for application in fields related to liquid crystal televisions, tablets, and mobile phone screens.
    • 背光模块(1)和液晶显示装置。 背光模块(1)包括光源(11),反射板(12)和扩散板(13)。 扩散板(13)在光源的发光方向上设置在光源(11)的上方。 反射板(12)设置在光源的光源(11)的发光方向的下方。 扩散板(13)的基材的材料是在纤维扩散结构内包含的无纺织物。 液晶显示装置包括背光模块(1)和液晶显示器(2)。 液晶显示器(2)设置在扩散板(13)的上方。 在液晶显示器(2)和扩散板(13)之间设置至少一个增白板(3)。 背光模块(1)和液晶显示器具有导光均匀,制造简单,重量轻,重量轻,成本低的优点,适用于与液晶电视,平板电脑和手机屏幕相关的领域 。
    • 7. 发明申请
    • MULTI-FUNCTIONAL OPTICAL ILLUMINATORS
    • WO2018209580A1
    • 2018-11-22
    • PCT/CN2017/084624
    • 2017-05-17
    • HAND HELD PRODUCTS, INC.REN, JieFENG, ChenOUYANG, Yunxin
    • REN, JieFENG, ChenOUYANG, Yunxin
    • G06K7/10
    • A multi-functional optical illuminator comprises: a light pipe (302) with an open frame structure for visual aiming of the illuminator to facilitate an alignment of a barcode; and a circuit board (304), attached to a back opening of the light pipe (302), comprising six dark field LEDs (308) for generating six dark field illuminations and two bright field LEDs (306) for generating bright field illuminations;wherein, the two bright field LEDs (306) produce two alternating point sources for providing bright field illuminations in different directions to minimize a specular reflection hot spot without using any diffuser during the bright field illuminations;wherein, chamfered inner edges of the light pipe (302) emit the dark field illuminations in different orientations from the light pipe (302). The illuminator is designed to provide dual-field, multi-color, multi-directional illumination. The non-closed form option not only can further reduce the weight but also can allow arrange opening area clearance for: (1) visual aiming and alignment in application, especially for hand held application; (2) reducing illumination crosstalk to unwanted directions; and for (3) mechanical integration. The improvements allow the illuminator to read direct product marking (DPM) type of barcodes.