公开(公告)号：US08830210B2

公开(公告)日：2014-09-09

申请号：US12886500

申请日：2010-09-20

申请人： Chun-Chien Liao ,  Chih-Jen Tsang ,  Yu-Lun Jhu ,  Chwen-Tay Hwang ,  Hai-Yuan Wu

发明人： Chun-Chien Liao ,  Chih-Jen Tsang ,  Yu-Lun Jhu ,  Chwen-Tay Hwang ,  Hai-Yuan Wu

IPC分类号： G06F3/042 ,  G06K11/06

CPC分类号： G06F3/0428 ,  G02B6/0068

摘要： An optical touch apparatus including a first light emitting device, a second light emitting device, a third light emitting device, a fourth light emitting device, a first image detector, a second image detector, and a control unit is provided. The control unit controls the average brightness of the third light emitting device less than each of the average brightness of the second light emitting device and the fourth light emitting device when the control unit controls the first image detector to detect an image. The control unit controls the average brightness of the second light emitting device less than each of the average brightness of the first light emitting device and the third light emitting device when the control unit controls the second image detector to detect an image. A driving method is also provided.

摘要翻译： 提供了包括第一发光器件，第二发光器件，第三发光器件，第四发光器件，第一图像检测器，第二图像检测器和控制单元的光学触摸设备。 当控制单元控制第一图像检测器以检测图像时，控制单元控制第三发光器件的平均亮度小于第二发光器件和第四发光器件的每个平均亮度。 当控制单元控制第二图像检测器以检测图像时，控制单元控制第二发光器件的平均亮度小于第一发光器件和第三发光器件的平均亮度的平均亮度。 还提供了驱动方法。

公开(公告)号：US08537138B2

公开(公告)日：2013-09-17

申请号：US12943037

申请日：2010-11-10

申请人： Chih-Jen Tsang ,  Kuo-Nang Lin ,  Cheng-Yi Lien

发明人： Chih-Jen Tsang ,  Kuo-Nang Lin ,  Cheng-Yi Lien

IPC分类号： G06F3/042

CPC分类号： G06F3/0428

摘要： An optical touch apparatus includes a light source capable of emitting a beam, a light guide unit disposed in a transmission path of the beam, and an optical detector. The light guide unit includes a light guide body having a first surface, a second surface, a third surface, a fourth surface, and a scattering structure disposed on at least one of the second surface, the third surface, and the fourth surface. The beam is capable of entering the light guide body, being scattered to the first surface by the scattering structure, and then being transmitted to a sensing space. The scattering structure includes separated scattering patterns including a resin composition and scattering particles dispersed in the resin composition. The ratio of the weight percentage of the scattering particles to the weight percentage of the resin composition is equal to or greater than 0.1.

摘要翻译： 光学触摸装置包括能够发射光束的光源，设置在光束的传输路径中的光导单元和光学检测器。 导光单元包括具有第一表面，第二表面，第三表面，第四表面和布置在第二表面，第三表面和第四表面中的至少一个上的散射结构的导光体。 光束能够进入导光体，通过散射结构散射到第一表面，然后传输到感测空间。 散射结构包括分散在树脂组合物中的分散的散射图案，包括树脂组合物和散射颗粒。 散射粒子的重量百分比与树脂组合物的重量百分比的比等于或大于0.1。

公开(公告)号：US20110122097A1

公开(公告)日：2011-05-26

申请号：US12943037

申请日：2010-11-10

申请人： Chih-Jen Tsang ,  Kuo-Nang Lin ,  Cheng-Yi Lien

发明人： Chih-Jen Tsang ,  Kuo-Nang Lin ,  Cheng-Yi Lien

IPC分类号： G06F3/042

CPC分类号： G06F3/0428

摘要： An optical touch apparatus includes a light source capable of emitting a beam, a light guide unit disposed in a transmission path of the beam, and an optical detector. The light guide unit includes a light guide body having a first surface, a second surface, a third surface, a fourth surface, and a scattering structure disposed on at least one of the second surface, the third surface, and the fourth surface. The beam is capable of entering the light guide body, being scattered to the first surface by the scattering structure, and then being transmitted to a sensing space. The scattering structure includes separated scattering patterns including a resin composition and scattering particles dispersed in the resin composition. The ratio of the weight percentage of the scattering particles to the weight percentage of the resin composition is equal to or greater than 0.1.

摘要翻译： 光学触摸装置包括能够发射光束的光源，设置在光束的传输路径中的光导单元和光学检测器。 导光单元包括具有第一表面，第二表面，第三表面，第四表面和布置在第二表面，第三表面和第四表面中的至少一个上的散射结构的导光体。 光束能够进入导光体，通过散射结构散射到第一表面，然后传输到感测空间。 散射结构包括分散在树脂组合物中的分散的散射图案，包括树脂组合物和散射颗粒。 散射粒子的重量百分比与树脂组合物的重量百分比的比等于或大于0.1。

公开(公告)号：US20110122094A1

公开(公告)日：2011-05-26

申请号：US12881176

申请日：2010-09-14

申请人： Chih-Jen Tsang ,  Chun-Chien Liao ,  Yu-Lun Jhu ,  Cheng-Yi Lien

发明人： Chih-Jen Tsang ,  Chun-Chien Liao ,  Yu-Lun Jhu ,  Cheng-Yi Lien

IPC分类号： G06F3/042

CPC分类号： G06F3/0428 ,  G02B6/0028 ,  G02B6/0043 ,  G02B6/0061

摘要： An optical touch apparatus includes a light source, light guide unit, and optical detector. The light source next to the display area emits a beam. The light guide unit next to the display area and in the transmission path of the beam includes a light guide body and a Lambertian scattering structure. The light guide body has first, second, third, fourth, and light incident surfaces. The beam enters the light guide body through the light incident surface and is transmitted from the first surface to a sensing space in front of the display area. The Lambertian scattering structure is disposed on at least one of the second, third, and fourth surfaces for scattering the beam to the first surface. The optical detector next to the display area senses a change in light intensity of the beam in the sensing space. An optical touch display apparatus is also provided.

摘要翻译： 光学触摸装置包括光源，导光单元和光学检测器。 显示区旁边的光源发射光束。 在显示区域和光束的传输路径中的导光单元包括导光体和朗伯散射结构。 导光体具有第一，第二，第三，第四和光入射表面。 光束通过光入射表面进入导光体，并从第一表面传输到显示区域前面的感测空间。 朗伯散射结构设置在第二，第三和第四表面中的至少一个上，用于将光束散射到第一表面。 显示区域旁边的光学检测器检测感测空间中的光束的光强度的变化。 还提供了一种光学触摸显示装置。

公开(公告)号：US20110050646A1

公开(公告)日：2011-03-03

申请号：US12858434

申请日：2010-08-17

申请人： Tun-Chien Teng ,  Chun-Chien Liao ,  Han-Wen Tsai ,  Chih-Jen Tsang

发明人： Tun-Chien Teng ,  Chun-Chien Liao ,  Han-Wen Tsai ,  Chih-Jen Tsang

IPC分类号： G06F3/042

CPC分类号： G06F3/0428

摘要： An optical touch apparatus is adapted to a display apparatus. The optical touch apparatus includes at least one light source, at least one light guide unit, and at least one optical detector. The light source is disposed beside a display area of the display apparatus and capable of providing a light beam. The light guide unit is disposed beside the display area in a transmission path of the light beam and has a first surface, a second surface opposite to the first surface, and a light incident surface. The light incident surface connects the first and second surfaces. The light beam is capable of entering the light guide unit through the light incident surface and is transmitted to a sensing space in front of the display area. The optical detector is disposed beside the display area to sense an intensity variation of the light beam in the sensing space.

摘要翻译： 光学触摸装置适用于显示装置。 光学触摸装置包括至少一个光源，至少一个导光单元和至少一个光学检测器。 光源设置在显示装置的显示区域旁边，能够提供光束。 光导单元设置在光束的透射路径的显示区域的旁边，具有第一面，与第一面相反的第二面和光入射面。 光入射面连接第一和第二表面。 光束能够通过光入射面进入导光单元，并被传送到显示区域前面的感测空间。 光学检测器设置在显示区域旁边以感测感测空间中的光束的强度变化。

公开(公告)号：US20100290252A1

公开(公告)日：2010-11-18

申请号：US12613522

申请日：2009-11-05

申请人： Tun-Chien Teng ,  Jyh-Ming Chen ,  Ming-Feng Kuo ,  Chih-Jen Tsang

发明人： Tun-Chien Teng ,  Jyh-Ming Chen ,  Ming-Feng Kuo ,  Chih-Jen Tsang

IPC分类号： F21V8/00

CPC分类号： G02B6/0018 ,  G02B6/0068

摘要： A light guide plate capable of guiding a light beam from a light emitting device and a backlight module using the light guide plate are provided. The light guide plate includes a light-transmissive substrate and optical structures. The light-transmissive substrate has a first surface, an opposite second surface, and an incident surface connecting the first and the second surface. The light beam enters the light-transmissive substrate through the incident surface and is emitted out of the light-transmissive substrate through the first surface. The optical structures are disposed on the second surface. Each optical structure has a first total internal reflection (TIR) surface, a second TIR surface, and a third TIR surface. The second TIR surface connects the first and third TIR surfaces. Part of the light beam from the incident surface is totally internally reflected by any adjacent two of the first, second, and third TIR surfaces in sequence.

摘要翻译： 提供能够引导来自发光装置的光束的导光板和使用导光板的背光模块。 导光板包括透光基板和光学结构。 透光基板具有第一表面，相对的第二表面和连接第一表面和第二表面的入射表面。 光束通过入射表面进入透光基板，并通过第一表面从透光基板射出。 光学结构设置在第二表面上。 每个光学结构具有第一全内反射（TIR）表面，第二TIR表面和第三TIR表面。 第二个TIR表面连接第一和第三个TIR表面。 来自入射表面的光束的一部分依次由第一，第二和第三TIR表面中的任何相邻的两个全反射。

公开(公告)号：US20100254159A1

公开(公告)日：2010-10-07

申请号：US12631798

申请日：2009-12-04

申请人： Tun-Chien Teng ,  Chih-Jen Tsang ,  Neng-Jung Tseng

发明人： Tun-Chien Teng ,  Chih-Jen Tsang ,  Neng-Jung Tseng

IPC分类号： F21V7/04 ,  F21S8/10

CPC分类号： G02B6/0053 ,  G02F1/133606 ,  G02F2001/133607

摘要： A brightness enhancement film (BEF) including a first surface, a second surface, and a side surface is provided. The first surface is a curved surface continuously fluctuant in two dimensions and includes a plurality of axisymmetric convex surfaces and a plurality of non-axisymmetric concave surfaces. Each of the axisymmetric convex surfaces is a curved surface. The axisymmetric convex surfaces and the non-axisymmetric concave surfaces are arranged alternately in the two dimensions and respectively form a plurality of wave crests and a plurality of wave troughs. Each of the non-axisymmetric concave surfaces is a curved surface. The second surface is opposite to the first surface and the side surface connects the first surface and the second surface. In addition, a backlight module employing the BEF is also provided.

摘要翻译： 提供了包括第一表面，第二表面和侧表面的亮度增强膜（BEF）。 第一表面是两维连续波动的曲面，并且包括多个轴对称凸面和多个非轴对称凹面。 每个轴对称凸面是曲面。 轴对称凸面和非轴对称凹面在两维中交替排列，分别形成多个波峰和多个波谷。 每个非轴对称凹面是曲面。 第二表面与第一表面相对，并且侧表面连接第一表面和第二表面。 此外，还提供了采用BEF的背光模块。

公开(公告)号：US20100103700A1

公开(公告)日：2010-04-29

申请号：US12588280

申请日：2009-10-09

申请人： Chih-Jen Tsang

发明人： Chih-Jen Tsang

IPC分类号： F21V8/00 ,  G02F1/29 ,  F21V5/04

CPC分类号： G02B6/005 ,  G02B6/0036 ,  G02B6/0046 ,  G02F1/133611 ,  G02F1/133615 ,  G02F1/29 ,  G02F2001/133607 ,  G02F2001/294 ,  G02F2203/28 ,  G02F2203/62

摘要： A light source module includes at least one light emitting device and a focus adjustable lens array. The light emitting device is adapted to emit a light beam, the focus adjustable lens array is disposed in the transmission path of the light beam and includes a plurality of focus adjustable lenses arranged in an array. Each of the focus adjustable lenses includes a first light transmissive plate disposed in the transmission path of the light beam, a first electrode disposed on a peripheral area of the first light transmissive plate, a second light transmissive plate disposed in the transmission path of the beam, a second electrode disposed on a peripheral area of the second light transmissive plate, and a focus adjustable solution disposed between the first light transmissive plate and the second light transmissive plate. The focus adjustable solution includes a solvent and an electrotaxis solute.

摘要翻译： 光源模块包括至少一个发光装置和焦点可调透镜阵列。 发光装置适于发射光束，聚焦可调透镜阵列设置在光束的传输路径中，并且包括以阵列布置的多个聚焦可调透镜。 每个焦点可调透镜包括设置在光束的透射路径中的第一透光板，设置在第一透光板的周边区域上的第一电极，设置在光束的透射路径中的第二透光板 设置在第二透光板的周边区域上的第二电极和设置在第一透光板和第二透光板之间的聚焦可调整溶液。 焦点可调解决方案包括溶剂和电渗溶质。

公开(公告)号：US20090207584A1

公开(公告)日：2009-08-20

申请号：US12289932

申请日：2008-11-07

申请人： Tzeng-Ke Shiau ,  Ching-Shiang Li ,  Wen-Bin Chou ,  Chih-Jen Tsang

发明人： Tzeng-Ke Shiau ,  Ching-Shiang Li ,  Wen-Bin Chou ,  Chih-Jen Tsang

IPC分类号： H01J5/16 ,  F21V9/00

CPC分类号： G02F1/133606 ,  G02F2001/133607

摘要： A backlight module disposed under a display panel and close to a polarizer on a lower surface of the display panel is provided. The backlight module has an illumination module and an optical film disposed above the illumination module. The optical film has a lower layer and an upper layer attached to the lower layer. The upper layer is close to the polarizer and has a plurality of first micro-protrusion structures formed on an upper surface thereof. The lower layer has a plurality of second micro-protrusion structures with various heights formed on an upper surface thereof. The higher second micro-protrusion structures support the upper layer, so as to form a gap with various dimensions between the upper layer and the lower layer.

摘要翻译： 提供了布置在显示面板下方并且靠近显示面板的下表面上的偏振器的背光模块。 背光模块具有设置在照明模块上方的照明模块和光学膜。 光学膜具有下层和附着在下层的上层。 上层靠近偏振片，并且在其上表面上形成有多个第一微突起结构。 下层具有多个形成在其上表面上的各种高度的第二微突起结构。 较高的第二微突起结构支撑上层，以便在上层和下层之间形成具有各种尺寸的间隙。