Diffusion Plate And Backlight Module Having The Diffusion Plate

    公开(公告)号:US20240103319A1

    公开(公告)日:2024-03-28

    申请号:US18521751

    申请日:2023-11-28

    IPC分类号: G02F1/1335 G02F1/13357

    CPC分类号: G02F1/133607 G02F1/133603

    摘要: The invention refers to a diffusion plate and a backlight module having the diffusion plate. The diffusion plate comprises a plate-body and a plurality of pyramid-like structures arranged on a surface of the plate-body. Each pyramid-like structure has a bottom surface, a first convex portion and a second convex portion. The first convex portion and the second convex portion have different vertex angles, and therefore the pyramid-like structure can also be called as “pyramid-like structure with multiple vertex angles”. The pyramid-like structures with multiple vertex angles can increase the light splitting points, which can improve the light splitting effect of the diffusion plate. The light source of a single light-emitting diode can be divided into eight point-light sources (light splitting points) or more, which is double the number of light splitting points compared with the traditional pyramid structure with single vertex, and thus can greatly improve the light diffusion effect.

    MULTILAYER LIGHT DIFFUSER PLATE AND METHOD FOR MANUFACTURING THE SAME

    公开(公告)号:US20240045267A1

    公开(公告)日:2024-02-08

    申请号:US18377790

    申请日:2023-10-07

    摘要: A multilayer light diffuser plate and a method for manufacturing the same are disclosed. The multilayer light diffusion plate comprises a main layer and a partially-transmissive and partially-reflective layer located under the main layer. The top surface of the main layer is the light-emitting surface, and the light-incident surface is the bottom surface of the partially-transmissive and partially-reflective layer. The partially-transmissive and partially-reflective layer comprises a plurality of first base material layers and a plurality of second base material layers stacked alternately. The materials of the first and second base material layers have different refractive indices. The partially-transmissive and partially-reflective layer formed by alternately stacking the first and second base material layers with different refractive indices is arranged on the light-incident surface of the light diffuser plate by means of extrusion, which is simpler and less expensive to manufacture.

    MULTILAYER LIGHT DIFFUSER PLATE AND METHOD FOR MANUFACTURING THE SAME

    公开(公告)号:US20230375878A1

    公开(公告)日:2023-11-23

    申请号:US17880984

    申请日:2022-08-04

    IPC分类号: G02F1/13357 G02F1/1335

    摘要: A multilayer light diffuser plate and a method for manufacturing the same are disclosed. The multilayer light diffusion plate comprises a main layer and a partially-transmissive and partially-reflective layer located under the main layer. The top surface of the main layer is the light-emitting surface, and the light-incident surface is the bottom surface of the partially-transmissive and partially-reflective layer. The partially-transmissive and partially-reflective layer comprises a plurality of first base material layers and a plurality of second base material layers stacked alternately. The materials of the first and second base material layers have different refractive indices. The partially-transmissive and partially-reflective layer formed by alternately stacking the first and second base material layers with different refractive indices is arranged on the light-incident surface of the light diffuser plate by means of extrusion, which is simpler and less expensive to manufacture.

    Light Guide Device, Front-Light Module And Reflective Display Apparatus
    5.
    发明申请
    Light Guide Device, Front-Light Module And Reflective Display Apparatus 审中-公开
    导光装置,前照灯模块和反光显示装置

    公开(公告)号:US20130215639A1

    公开(公告)日:2013-08-22

    申请号:US13760289

    申请日:2013-02-06

    IPC分类号: F21V8/00

    摘要: A light guide device includes a main body, a first surface, and a plurality of cloud form microstructures. The plurality of cloud form microstructures is disposed on the first surface. Each of the cloud form microstructures has an outer contour which is consisted of at least three connecting points and a plurality of curved lines formed by connecting adjacent connecting points. Each the cloud form microstructure is defined with a maximum length (L), a maximum width (W) perpendicular to the maximum length, and a maximum height (H) perpendicular to both the maximum length and the maximum width; wherein, the ratio of L to W is between 1:1 and 5:1, and the ratio of L to H is between 2.5:1 and 36:1.

    摘要翻译: 导光装置包括主体,第一表面和多个云状微结构。 多个云状微结构设置在第一表面上。 每个云状微结构具有外轮廓,该外轮廓由至少三个连接点和通过连接相邻连接点形成的多个曲线组成。 每个云形微结构定义为最大长度(L),垂直于最大长度的最大宽度(W)和垂直于最大长度和最大宽度的最大高度(H); 其中,L与W之比为1:1〜5:1,L与H的比为2.5:1〜36:1。

    LIGHT GUIDE DEVICE AND BACKLIGHT MODULE
    6.
    发明申请
    LIGHT GUIDE DEVICE AND BACKLIGHT MODULE 有权
    光指导装置和背光模组

    公开(公告)号:US20120140516A1

    公开(公告)日:2012-06-07

    申请号:US13111774

    申请日:2011-05-19

    IPC分类号: F21V7/22

    摘要: The backlight module comprises a light guide device, pluralities of light sources and at least one optical film. The light guide device further contains body, first microstructures, second microstructures, flat portions and diffusive beads. The first microstructures are disposed on reflective surface. A first point and a second point are disposed at two ends of the first microstructure with a first width (P1). Each flat portion has a gap (G) defined between two adjacent first microstructures. The second microstructure connects to the body by means of two edge portions. Two edge portions have a second width (P2) defined on the incident surface; wherein a first depth (H1) is defined to be the distance between the crossing point of two edge portions away from the incident surface. Pluralities of diffusive beads have weight Mb. The body has weight Mt. Then the equations of H 1 P 2 * P 1 G ≤ 0.288 and H 1 P 2 * P 1 G * M t M b ≤ 96.0 are satisfied.

    摘要翻译: 背光模块包括导光装置,多个光源和至少一个光学膜。 导光装置还包含主体,第一微结构,第二微结构,平坦部分和扩散珠。 第一微结构设置在反射面上。 第一点和第二点以第一宽度(P1)设置在第一微结构的两端。 每个平坦部分具有在两个相邻的第一微结构之间限定的间隙(G)。 第二微结构通过两个边缘部分连接到主体。 两个边缘部分具有限定在入射表面上的第二宽度(P2); 其中第一深度(H1)被定义为远离入射表面的两个边缘部分的交叉点之间的距离。 多个扩散珠具有重量Mb。 身体有重量Mt. 那么满足H 1 P 2 * P 1G≤0.288和H 1 P 2 * P 1 G * M t M b≤96.0的等式。

    PLASTICITY PLASTIC FILM AND METHOD FOR APPLYING PLASTICITY PLASTIC FILM TO IN-MOLD DECORATION
    7.
    发明申请
    PLASTICITY PLASTIC FILM AND METHOD FOR APPLYING PLASTICITY PLASTIC FILM TO IN-MOLD DECORATION 审中-公开
    塑料塑料薄膜和将塑料塑料薄膜应用于模内装饰的方法

    公开(公告)号:US20110272841A1

    公开(公告)日:2011-11-10

    申请号:US12940333

    申请日:2010-11-05

    摘要: A method for applying a plasticity plastic film to an in-mold decoration, including the steps of: (a) providing a substrate defining a top surface and a bottom surface, printing layer and a plastic material; wherein the plasticity plastic film comprises a photo-curing multiple functional group oligomer, a thermohardening resin and a cross-linking agent, and the photo-curing multiple functional group oligomer is cross-linked with the thermohardening resin through the cross-linking agent; (b) forming the plasticity plastic film on the top surface of the substrate; (c) hardening the plasticity plastic film; (d) solidifying the plasticity plastic film to form a plasticity resin layer; (e) covering the bottom surface of the substrate with the printing layer; (f) simultaneously pressing the plasticity resin layer and the substrate to form a predetermined shape; and then (g) forming the plastic material on a bottom surface of the printing layer.

    摘要翻译: 一种将可塑性塑料膜施加到模内装饰中的方法,包括以下步骤:(a)提供限定顶表面和底表面,印刷层和塑料材料的基材; 其中所述塑性塑料膜包含光固化多官能团低聚物,热硬化树脂和交联剂,并且所述光固化多官能团低聚物通过所述交联剂与所述热硬化树脂交联; (b)在基材的顶表面上形成可塑性塑料膜; (c)硬化塑性塑料薄膜; (d)使塑性塑料膜固化,形成塑性树脂层; (e)用印刷层覆盖基材的底表面; (f)同时按压塑性树脂层和基材以形成预定的形状; 然后(g)在印刷层的底表面上形成塑料材料。

    MULTI-LAYER LIGHT GUIDE APPARATUS
    8.
    发明申请
    MULTI-LAYER LIGHT GUIDE APPARATUS 有权
    多层轻指导装置

    公开(公告)号:US20110255305A1

    公开(公告)日:2011-10-20

    申请号:US12875599

    申请日:2010-09-03

    IPC分类号: F21V7/22

    CPC分类号: G02B6/0076 G02B6/0035

    摘要: Provided is a multi-layer light guide apparatus. Various optical paths are formed as a light source emits light into the apparatus. Main structure of the apparatus includes a body and a micro-structured layer. The body has a first layer with first refractive index (n1) and a second layer with second refractive index (n2). The first layer has a first critical angle (θC1). An interface critical angle (θC12) is formed between the associated first layer and second layer. The light then outputs as the light propagates through the layers. The micro-structured layer is formed on a side of the body. It features: n1 θC12;0

    摘要翻译: 提供了一种多层导光装置。 当光源将光发射到设备中时,形成各种光路。 该装置的主要结构包括主体和微结构层。 本体具有第一折射率(n1)的第一层和具有第二折射率(n2)的第二层。 第一层具有第一临界角(&Theta; C1)。 在相关联的第一层和第二层之间形成界面临界角(&amp; t; C12)。 然后光随着光传播通过层而输出。 微结构层形成在身体的一侧。 它的特点是:n1 &thetas; C12; 0 <|&thetas; C12-&thetas; C1 |&nlE; 35°。

    Diffusion plate and backlight module
    9.
    发明授权
    Diffusion plate and backlight module 有权
    扩散板和背光模块

    公开(公告)号:US07784988B2

    公开(公告)日:2010-08-31

    申请号:US12025841

    申请日:2008-02-05

    IPC分类号: F21V8/00

    摘要: The invention provides a diffusion plate and a backlight module. The backlight module includes pluralities of light sources, a reflector and a first diffusion plate. The light sources, which are disposed in the reflector, are spatially arranged. The first diffusion plate is disposed on the light sources. There are pluralities of bar-shaped first patterns and second patters, which are arranged in the alternating way, disposed on the emission surface of the first diffusion plate. The contours of first patterns and second patterns are arc shaped. The height of first patterns is H1, and the width is W1. The height of second patterns is H2, and the width is W2. The value of H1/W1 is between 0.4 and 1. The ratio of H2/W2 versus H1/W1 is between 0.6 and 0.9.

    摘要翻译: 本发明提供扩散板和背光模块。 背光模块包括多个光源,反射器和第一扩散板。 设置在反射器中的光源在空间上布置。 第一扩散板设置在光源上。 多个条形的第一图案和第二图案以交替的方式布置,设置在第一扩散板的发射表面上。 第一图案和第二图案的轮廓是弧形的。 第一种图案的高度为H1,宽度为W1。 第二图案的高度为H2,宽度为W2。 H1 / W1的值在0.4和1之间.H2 / W2与H1 / W1的比值在0.6和0.9之间。

    Optical diffusion device
    10.
    发明申请
    Optical diffusion device 有权
    光扩散装置

    公开(公告)号:US20100214514A1

    公开(公告)日:2010-08-26

    申请号:US11896932

    申请日:2007-09-06

    IPC分类号: G02F1/1335 F21V11/00

    CPC分类号: G02F1/133606 G02F1/133604

    摘要: An optical diffusion device applied in a backlight module includes a plate, multiple light sources being disposed on one side of the plate; multiple optical microstructure provided with a longer axis and a shorter axis being disposed on the plate; a direction of the longer axis of each optical microstructure being approximately arranged in parallel with a direction extending from the light source, or a direction of the shorter axis being arranged approximately crossing a direction extending from the light source; better diffusion effect being provided to each light source through the shorter axis of the optical microstructure to increase optical quantum among light sources thus to eliminate the dim and dark regions among light sources for increasing general luminance of the backlight module.

    摘要翻译: 应用在背光模块中的光扩散装置包括板,多个光源设置在板的一侧; 多个光学微结构具有较长的轴线和较短的轴线设置在该板上; 每个光学微结构的长轴的方向大致平行于从光源延伸的方向,或者短轴的方向大致与从光源延伸的方向相交; 通过光学微结构的较短轴向每个光源提供更好的扩散效果,以增加光源之间的光学量子,从而消除光源之间的暗暗区域以增加背光模块的一般亮度。