-
公开(公告)号:US20140376258A1
公开(公告)日:2014-12-25
申请号:US14297630
申请日:2014-06-06
申请人: Jhong-Hao Wu , Chin-Ku Liu
发明人: Jhong-Hao Wu , Chin-Ku Liu
IPC分类号: F21V8/00
CPC分类号: G02B6/0055 , G02B6/0036 , G02B6/0038 , G02B6/0045
摘要: A planar light source including a light guide plate (LGP) and a light source device is provided. The LGP includes a plate portion and at least one prism portion. The plate portion has a light incident surface, a reflective surface, a bottom surface, and a light exiting surface. The prism portion is disposed on the bottom surface of the plate portion, and has a first plane and a second plane. An included angle between the first plane and the bottom surface is smaller than an included angle between the second plane and the bottom surface, and a shortest distance between the first plane and the light incident surface is smaller than a shortest distance between the second plane and the light incident surface. The light source device is disposed adjacent to the light incident surface. The disclosure provides planar light source with good light uniformity.
摘要翻译: 提供了包括导光板(LGP)和光源装置的平面光源。 LGP包括板部分和至少一个棱镜部分。 板部分具有光入射表面,反射表面,底表面和光出射表面。 棱镜部设置在板部的底面上,具有第一平面和第二平面。 第一平面和底面之间的夹角小于第二平面与底面之间的夹角,第一平面与光入射面之间的最短距离小于第二平面与第二平面与第二平面 光入射面。 光源装置邻近光入射表面设置。 本公开提供具有良好光均匀性的平面光源。
-
公开(公告)号:US20140347883A1
公开(公告)日:2014-11-27
申请号:US14265375
申请日:2014-04-30
申请人: Chin-Ku Liu , Jhong-Hao Wu
发明人: Chin-Ku Liu , Jhong-Hao Wu
IPC分类号: F21V8/00
CPC分类号: G02B6/002 , G02B6/0031 , G02B6/0036 , G02B6/0038 , G02B6/0046
摘要: A backlight module including a light guiding plate, a light source and a block is provided. The light guiding plate includes a first surface, a second surface opposite to the first surface, a light incident surface connecting to the first surface and the second surface, and a side surface opposite to the light incident surface. A thickness of at least part of the light guiding plate decreases progressively from the side surface towards the light incident surface. The light source is disposed beside the light incident surface and is capable of emitting a light beam into the light guiding plate through the light incident surface. The block is disposed beside the side surface and includes a reflecting surface facing towards the side surface. The reflecting surface is a concave surface on the block, and the reflecting surface is capable of reflecting the light beam returning to the side surface.
摘要翻译: 提供了包括导光板,光源和块的背光模块。 导光板包括第一表面,与第一表面相对的第二表面,连接到第一表面和第二表面的光入射表面以及与光入射表面相对的侧表面。 导光板的至少一部分的厚度从侧面朝向光入射面逐渐减小。 光源设置在光入射表面旁边,并且能够通过光入射表面将光束发射到导光板中。 该块设置在侧表面旁边,并且包括面向侧表面的反射表面。 反射面是块上的凹面,反射面能够反射回到侧面的光束。
-
公开(公告)号:US20140241007A1
公开(公告)日:2014-08-28
申请号:US14185881
申请日:2014-02-20
申请人: Chia-Hua Chen , Jhong-Hao Wu , Chin-Ku Liu , Cheng-Hsi Hsieh
发明人: Chia-Hua Chen , Jhong-Hao Wu , Chin-Ku Liu , Cheng-Hsi Hsieh
CPC分类号: G02B6/0011
摘要: A reflector, a light source module, and a display device are disclosed. The reflector includes a substrate and slant reflecting surfaces disposed on the substrate and arranged from a first side to an opposite second side of the reflector. Each slant reflecting surface has an arc-shaped orthogonal projection on the substrate and is not parallel to the substrate. The light source module includes a light guide plate, a light emitting device, and the reflector, and the display device further includes a display panel. The light guide plate has a first surface, at least one opposite second surface, and a light incident surface connecting therebetween. The reflector is disposed at one side of the second surface. The slant reflecting surfaces are parallel to the second surface but not parallel to the first surface. The reflector offers improved luminous efficiency, and the light source module and the display device offer improved brightness.
摘要翻译: 公开了一种反射器,光源模块和显示装置。 反射器包括基板和设置在基板上的倾斜反射表面,并从反射器的第一侧至相对的第二侧布置。 每个倾斜反射表面在基板上具有弧形正交突起,并且不平行于基板。 光源模块包括导光板,发光装置和反射器,并且显示装置还包括显示面板。 导光板具有第一表面,至少一个相对的第二表面和连接在其间的光入射表面。 反射器设置在第二表面的一侧。 倾斜的反射表面平行于第二表面,但不平行于第一表面。 反射器提供了更好的发光效率,并且光源模块和显示装置提供了改进的亮度。
-
公开(公告)号:US09721534B2
公开(公告)日:2017-08-01
申请号:US14709496
申请日:2015-05-12
申请人: Chin-Ku Liu , Jhong-Hao Wu
发明人: Chin-Ku Liu , Jhong-Hao Wu
CPC分类号: G09G5/10 , G09G3/3413 , G09G5/00 , G09G5/026 , G09G2320/0613 , G09G2320/0626 , G09G2320/0633 , G09G2320/0646
摘要: A display apparatus and a method for controlling a backlight module thereof are provided. The display apparatus includes the backlight module, an input unit and a processing unit. A light-emitting device of the backlight module includes a first light-emitting unit and a second light-emitting unit. A photoelectric conversion efficiency of the first light-emitting unit is higher than that of the second light-emitting unit, and a covering color gamut of the second light-emitting unit is larger than that of the first light-emitting unit. The input unit generates an input signal. The processing unit is coupled to the input unit and configured to receive the input signal generated by the input unit, and the processing unit is coupled to the backlight module, and dynamically adjusts respective light intensity ratios of the first light-emitting unit and the second light-emitting unit according to the received input signal.
-
公开(公告)号:US09703032B2
公开(公告)日:2017-07-11
申请号:US14297630
申请日:2014-06-06
申请人: Jhong-Hao Wu , Chin-Ku Liu
发明人: Jhong-Hao Wu , Chin-Ku Liu
IPC分类号: F21V8/00
CPC分类号: G02B6/0055 , G02B6/0036 , G02B6/0038 , G02B6/0045
摘要: A planar light source including a light guide plate (LGP) and a light source device is provided. The LGP includes a plate portion and at least one prism portion. The plate portion has a light incident surface, a reflective surface, a bottom surface, and a light exiting surface. The prism portion is disposed on the bottom surface of the plate portion, and has a first plane and a second plane. An included angle between the first plane and the bottom surface is smaller than an included angle between the second plane and the bottom surface, and a shortest distance between the first plane and the light incident surface is smaller than a shortest distance between the second plane and the light incident surface. The light source device is disposed adjacent to the light incident surface. The disclosure provides planar light source with good light uniformity.
-
公开(公告)号:US20150346415A1
公开(公告)日:2015-12-03
申请号:US14681106
申请日:2015-04-08
申请人: Chin-Ku Liu , Jhong-Hao Wu
发明人: Chin-Ku Liu , Jhong-Hao Wu
IPC分类号: F21V8/00
CPC分类号: G02B6/0055 , G02B6/002 , G02B6/003 , G02B6/0046 , G02B6/0048 , G02B6/0061
摘要: A light guide unit is adapted to be disposed beside a light source. The light guide unit includes a light guide plate and a plurality of optical structures. The light guide plate has a bottom surface, a light emitting surface, a light incident surface, a side surface, a first connecting surface, and a second connecting surface. The bottom surface is opposite to the light emitting surface. The light incident surface, the side surface, the first connecting surface, and the second connecting surface are respectively connected between the bottom surface and the light emitting surface. The light incident surface is disposed between the light source and the side surface. The optical structures protrude on the side surface, the first connecting surface, and the second connecting surface, and together form a Fresnel lens structure. A light source module is also provided.
摘要翻译: 导光单元适于设置在光源旁边。 导光单元包括导光板和多个光学结构。 导光板具有底面,发光面,光入射面,侧面,第一连接面和第二连接面。 底表面与发光表面相对。 光入射表面,侧表面,第一连接表面和第二连接表面分别连接在底表面和发光表面之间。 光入射表面设置在光源和侧表面之间。 光学结构在侧表面,第一连接表面和第二连接表面上突出,并且一起形成菲涅尔透镜结构。 还提供了光源模块。
-
公开(公告)号:US09784903B2
公开(公告)日:2017-10-10
申请号:US14681106
申请日:2015-04-08
申请人: Chin-Ku Liu , Jhong-Hao Wu
发明人: Chin-Ku Liu , Jhong-Hao Wu
IPC分类号: F21V8/00
CPC分类号: G02B6/0055 , G02B6/002 , G02B6/003 , G02B6/0046 , G02B6/0048 , G02B6/0061
摘要: A light guide unit is adapted to be disposed beside a light source. The light guide unit includes a light guide plate and a plurality of optical structures. The light guide plate has a bottom surface, a light emitting surface, a light incident surface, a side surface, a first connecting surface, and a second connecting surface. The bottom surface is opposite to the light emitting surface. The light incident surface, the side surface, the first connecting surface, and the second connecting surface are respectively connected between the bottom surface and the light emitting surface. The light incident surface is disposed between the light source and the side surface. The optical structures protrude on the side surface, the first connecting surface, and the second connecting surface, and together form a Fresnel lens structure. A light source module is also provided.
-
公开(公告)号:US09599830B2
公开(公告)日:2017-03-21
申请号:US14298972
申请日:2014-06-09
申请人: Jhong-Hao Wu , Chin-Ku Liu
发明人: Jhong-Hao Wu , Chin-Ku Liu
CPC分类号: G02B27/2228 , G02B6/0035 , G02B6/0038 , G02B6/0046 , G02B6/0068 , G02B6/0076 , G02B27/2214 , G09G3/003 , G09G3/3406 , G09G3/3611 , H04N13/00 , H04N13/32 , H04N13/356
摘要: A light source module adapted to provide a first illumination beam to a display apparatus is provided. The display apparatus includes a display panel for displaying a 2D/3D image. The light source module includes a first wedge-shaped light guide plate, a first light emitting device, a second light emitting device, and a light source driving module. The first wedge-shaped light guide plate has a first and second light incident surfaces and an optical grating pattern. The first light emitting device and the second light emitting device are respectively disposed beside the first light incident surface and the second light incident surface. In a 2D/3D image display mode, the light source driving module controls to turn on the first/second light emitting device for providing the first illumination beam to the first wedge-shaped light guide plate. A method for driving the display apparatus is also provided.
-
公开(公告)号:US09383497B2
公开(公告)日:2016-07-05
申请号:US14265375
申请日:2014-04-30
申请人: Chin-Ku Liu , Jhong-Hao Wu
发明人: Chin-Ku Liu , Jhong-Hao Wu
IPC分类号: F21V8/00
CPC分类号: G02B6/002 , G02B6/0031 , G02B6/0036 , G02B6/0038 , G02B6/0046
摘要: A backlight module including a light guiding plate, a light source and a block is provided. The light guiding plate includes a first surface, a second surface opposite to the first surface, a light incident surface connecting to the first surface and the second surface, and a side surface opposite to the light incident surface. A thickness of at least part of the light guiding plate decreases progressively from the side surface towards the light incident surface. The light source is disposed beside the light incident surface and is capable of emitting a light beam into the light guiding plate through the light incident surface. The block is disposed beside the side surface and includes a reflecting surface facing towards the side surface. The reflecting surface is a concave surface on the block, and the reflecting surface is capable of reflecting the light beam returning to the side surface.
摘要翻译: 提供了包括导光板,光源和块的背光模块。 导光板包括第一表面,与第一表面相对的第二表面,连接到第一表面和第二表面的光入射表面以及与光入射表面相对的侧表面。 导光板的至少一部分的厚度从侧面朝向光入射面逐渐减小。 光源设置在光入射表面旁边,并且能够通过光入射表面将光束发射到导光板中。 该块设置在侧表面旁边,并且包括面向侧表面的反射表面。 反射面是块上的凹面,反射面能够反射回到侧面的光束。
-
10.
公开(公告)号:US20160027408A1
公开(公告)日:2016-01-28
申请号:US14709496
申请日:2015-05-12
申请人: Chin-Ku Liu , Jhong-Hao Wu
发明人: Chin-Ku Liu , Jhong-Hao Wu
CPC分类号: G09G5/10 , G09G3/3413 , G09G5/00 , G09G5/026 , G09G2320/0613 , G09G2320/0626 , G09G2320/0633 , G09G2320/0646
摘要: A display apparatus and a method for controlling a backlight module thereof are provided. The display apparatus includes the backlight module, an input unit and a processing unit. A light-emitting device of the backlight module includes a first light-emitting unit and a second light-emitting unit. A photoelectric conversion efficiency of the first light-emitting unit is higher than that of the second light-emitting unit, and a covering color gamut of the second light-emitting unit is larger than that of the first light-emitting unit. The input unit generates an input signal. The processing unit is coupled to the input unit and configured to receive the input signal generated by the input unit, and the processing unit is coupled to the backlight module, and dynamically adjusts respective light intensity ratios of the first light-emitting unit and the second light-emitting unit according to the received input signal.
摘要翻译: 提供了一种用于控制其背光模块的显示装置和方法。 显示装置包括背光模块,输入单元和处理单元。 背光模块的发光装置包括第一发光单元和第二发光单元。 第一发光单元的光电转换效率高于第二发光单元的光电转换效率,并且第二发光单元的覆盖色域大于第一发光单元的覆盖色域。 输入单元产生输入信号。 处理单元耦合到输入单元并且被配置为接收由输入单元生成的输入信号,并且处理单元耦合到背光模块,并且动态地调节第一发光单元和第二发光单元的各自的光强度比 发光单元根据接收到的输入信号。
-
-
-
-
-
-
-
-
-