Patents by Inventor Jauh-Jung Yang
Jauh-Jung Yang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 8031405Abstract: An optical adjusting apparatus having a composite pattern structure is described. The optical adjusting apparatus include a substrate layer, at least one first pattern module and at least one second pattern module. The substrate has a first optical surface and a second optical surface opposite to the first optical surface. The first pattern module positioned on the first optical surface, wherein the first pattern module has a first structure unit along a first arrangement direction. The second pattern module which is adjacent to the first pattern module and positioned on the first optical surface. The second pattern module has the second structure unit along a second arrangement direction. The first structure unit of the first pattern module is connected to the second structure unit of the second pattern module. Therefore, the convergent angle of a light module is adjusted and the brightness of the light module is increased along specific direction.Type: GrantFiled: April 15, 2009Date of Patent: October 4, 2011Assignee: Dayu OptoelectronicsInventors: Jauh-jung Yang, Chi-feng Chen
-
Publication number: 20110228392Abstract: An optical retroreflective apparatus and method thereof are described. The optical retroreflective apparatus includes a substrate, a first material layer, a first taper pattern layer, a reflecting layer, and a second material layer. The first material layer is formed on the substrate. The first taper pattern layer is formed on the first material layer wherein the first taper pattern layer has a plurality of first pyramidal units. The reflecting layer is formed on the first taper pattern layer wherein the reflecting layer has a plurality of reflecting patterns and each of the reflecting patterns is covered with each of first pyramidal units. The second material layer is formed on the reflecting layer wherein the second material layer has a second taper pattern layer having a plurality of second pyramidal units. The second taper pattern layer is covered with the reflecting layer and the second pyramidal units are filled with the spacing region between the reflecting patterns of the reflecting layer.Type: ApplicationFiled: May 28, 2010Publication date: September 22, 2011Applicant: DAYU optoelectronicsInventors: Jauh-jung Yang, Chi-feng Chen
-
Publication number: 20100265588Abstract: An optical adjusting apparatus having a composite pattern structure is described. The optical adjusting apparatus include a substrate layer, at least one first pattern module and at least one second pattern module. The substrate has a first optical surface and a second optical surface opposite to the first optical surface. The first pattern module positioned on the first optical surface, wherein the first pattern module has a first structure unit along a first arrangement direction. The second pattern module which is adjacent to the first pattern module and positioned on the first optical surface. The second pattern module has the second structure unit along a second arrangement direction. The first structure unit of the first pattern module is connected to the second structure unit of the second pattern module. Therefore, the convergent angle of a light module is adjusted and the brightness of the light module is increased along specific direction.Type: ApplicationFiled: April 15, 2009Publication date: October 21, 2010Applicant: DAYU optoelectronicsInventors: Jauh-jung Yang, Chi-feng Chen
-
Publication number: 20100259939Abstract: A brightness enhancement film having a composite lens and prism structure is described. The brightness enhancement film having a composite lens and prism structure includes a substrate layer and a composite structure layer. The substrate layer has an optical incident surface and an optical emission surface. The composite structure layer is positioned on the optical emission surface of the substrate layer and has a lens-type layer and a prism-type layer. The lens-type layer has a plurality of protrusion units and the prism-type layer has a plurality of prismatic units. The protrusion units are uniformly arranged among the prismatic units. An area ratio of the region of the protrusion units to the region of the prismatic units based on a predetermined unit area of the composite structure layer can be changed for adjusting a convergent angle when a light beam penetrates through the composite structure layer via the optical emission surface of the substrate layer.Type: ApplicationFiled: November 24, 2009Publication date: October 14, 2010Applicant: DAYU optoelectronicsInventors: Chi-feng Chen, Jauh-jung Yang
-
Publication number: 20100259825Abstract: A composite brightness enhancement film having a two-phase hazing layer is provided, and includes a substrate, a two-phase hazing layer and a brightness enhancement structure layer. The substrate has a light inputting surface and a light outputting surface on which the two-phase hazing layer is formed. The two-phase hazing layer includes at least two resin material uniformly mixed with each other. The at least two resin material is incompletely dissolved into each other, and has different refractive indexes from each other, so that the two-phase hazing layer can be used to diffuse and haze a light. The brightness enhancement structure layer is formed on the two-phase hazing layer, and has a plurality of brightness enhancement micro-structures for enhancing the light.Type: ApplicationFiled: September 16, 2009Publication date: October 14, 2010Applicant: DAYU optoelectronicsInventors: Jauh-jung Yang, Chi-Feng Chen, Yu-chieh Chen
-
Publication number: 20070242191Abstract: A color image display element having a color wavelength division device. The color wavelength division device contains a light transmitting three-dimensional microstructure formed on a two-dimensional surface, said two-dimensional surface being a surface of a transparent substrate. The three-dimensional microstructure is made to have a localized light-diffractive profile such that white light of an incident backlight source will be divided into wavelengths of red, green, and blue, and these red, green, blue wavelengths will be respective focused at a target projected plane.Type: ApplicationFiled: April 4, 2006Publication date: October 18, 2007Inventors: Po-Hung Yau, Yu-Nan Pao, Jauh-Jung Yang
-
Patent number: 7114941Abstract: A hot embossing auto-leveling apparatus which has an air-floating spherical bearing between a lower mold and a base, placed in a depression on the base, with the base housing an air inlet and an air outlet. A hot embossing auto-leveling method, comprising the steps of (1) performing an upward and downward coupling movement of the lower and upper molds; (2) adjusting the lower mold against the upper mold using the air-floating spherical bearing; (3) fixing the lower mold by under pressure in an orientation parallel to the upper mold; (4) placing a molded part on the lower mold; (5) evacuating, heating and pressurizing a working chamber; (6) cooling; and (7) opening.Type: GrantFiled: March 20, 2003Date of Patent: October 3, 2006Assignee: Industrial Technology Research InstituteInventors: Jung Yan Huang, Chu Shu Tsai, Choung-Lii Chao, Chuan Kang Mu, Jauh Jung Yang, Cheng-Chun Huang, Ming Yueh Liu
-
Patent number: 7046441Abstract: The present invention relates to a high-transmission polarization module composed of sub-wavelength structures, which comprises: a transmission substrate and a plurality of collimation units. The transmission substrate possesses a top and a bottom surfaces. The top surface has a plurality of projecting and sunken parts, wherein the sunken part has a first sub-wavelength structure while the projecting part has a second sub-wavelength structure. The collimation units are arranged on the bottom surface according to the positions of the sunken parts capable of guiding the light into the sunken part. The first sub-wavelength structure is capable of separating the light with different polarizations while the second sub-wavelength structure is capable of shifting the phase of the light so that the light can pass the polarization module with a high efficiency and producing a light with a specific polarization.Type: GrantFiled: March 31, 2004Date of Patent: May 16, 2006Assignee: Industrial Technology Research InstituteInventors: Heng-Chun Huang, Jauh-Jung Yang, Jung-Yan Huang, Ming-Yueh Liu, Chuan-Kang Mu
-
Patent number: 7033059Abstract: A light guide apparatus for enhancing light source utilization efficiency includes a light guide sheet, a light coupling structure and a light emerging structure. The light coupling structure is arranged on a surface of the light guide sheet and opposite to a light source. The light emerging structure is disposed on a surface of light guide sheet. Lights emitted by the light source enters into the light guide sheet via the light coupling structure and evenly emitted to outer environment via said light emerging structure, thereby enhancing light source utilization efficiency.Type: GrantFiled: March 29, 2004Date of Patent: April 25, 2006Assignee: Industrial Technology Research InstituteInventors: Jauh-Jung Yang, Jian-Shian Lin, Po-Hung Yao, Jyh-Chun Chang
-
Patent number: 6962772Abstract: A method for manufacturing a 3-D high aspect-ratio microneedle array device, comprising steps of: providing a substrate, with a photoresist layer coated thereon; performing photolithography on the photoresist layer by using a gray-tone mask so as to form a patterned photoresist layer; performing high-selectivity etching on the patterned photoresist layer and the substrate by using inductively coupled plasma etching so as to transfer the pattern onto the substrate and form a structure; applying a material on the structure; and de-molding the structure from the substrate.Type: GrantFiled: December 27, 2002Date of Patent: November 8, 2005Assignee: Industrial Technology Research Inst.Inventors: Ming-Yueh Liu, Heng-Chun Huang, Jauh-Jung Yang, Kun-Chih Pan
-
Publication number: 20050145867Abstract: A planar package structure for high power light emitting diode, comprising: a substrate; a package material; a light emitting diode chip disposed on the substrate, having a main light emitting surface served as a light source; and a planar optical modulation unit disposed on the package material, so that the planar optical modulation unit is above the main light emitting surface, and utilized for modulating the optical phase of the light source. The planar optical modulation unit can perform a refractive optical phase modulation or a diffractive optical phase modulation such that a thin and planar high power light emitting diode package element with function of optical phase modulation is obtained.Type: ApplicationFiled: March 31, 2004Publication date: July 7, 2005Inventors: Po-Hung Yau, Jauh-Jung Yang, Yu-Cheng Lin, I-Kai Pan
-
Publication number: 20050141090Abstract: The present invention relates to a high-transmission polarization module composed of sub-wavelength structures, which comprises: a transmission substrate and a plurality of collimation units. The transmission substrate possesses a top and a bottom surfaces. The top surface has a plurality of projecting and sunken parts, wherein the sunken part has a first sub-wavelength structure while the projecting part has a second sub-wavelength structure. The collimation units are arranged on the bottom surface according to the positions of the sunken parts capable of guiding the light into the sunken part. The first sub-wavelength structure is capable of separating the light with different polarizations while the second sub-wavelength structure is capable of shifting the phase of the light so that the light can pass the polarization module with a high efficiency and producing a light with a specific polarization.Type: ApplicationFiled: March 31, 2004Publication date: June 30, 2005Inventors: Heng-Chun Huang, Jauh-Jung Yang, Jung-Yan Huang, Ming-Yueh Liu, Chuan-Kang Mu
-
Publication number: 20050129357Abstract: A light guide apparatus for enhancing light source utilization efficiency includes a light guide sheet, a light coupling structure and a light emerging structure. The light coupling structure is arranged on a surface of the light guide sheet and opposite to a light source. The light emerging structure is disposed on a surface of light guide sheet. Lights emitted by the light source enters into the light guide sheet via the light coupling structure and evenly emitted to outer environment via said light emerging structure, thereby enhancing light source utilization efficiency.Type: ApplicationFiled: March 29, 2004Publication date: June 16, 2005Inventors: Jauh-Jung Yang, Jian-Shian Lin, Po-Hung Yao, Jyh-Chun Chang
-
Publication number: 20050062928Abstract: A diffractive micro-structure color wavelength division device makes use of diffraction theory, binary optics theory, and operation of phase iteration algorithm to its complex two-dimensional surface phase micro-structure. The color wavelength division device has a multi-wavelength modulation function and is capable of wavelength division and focus, thereby resulting in structural simplification and enhancement of light utilized efficiency of a color image system.Type: ApplicationFiled: September 24, 2003Publication date: March 24, 2005Inventors: Po-Hung Yau, Yu-Nan Pao, Jauh-Jung Yang
-
Publication number: 20040126707Abstract: A method for manufacturing a 3-D high aspect-ratio microneedle array device, comprising steps of: providing a substrate, with a photoresist layer coated thereon; performing photolithography on the photoresist layer by using a gray-tone mask so as to form a patterned photoresist layer; performing high-selectivity etching on the patterned photoresist layer and the substrate by using inductively coupled plasma etching so as to transfer the pattern onto the substrate and form a structure; applying a material on the structure; and de-molding the structure from the substrate.Type: ApplicationFiled: December 27, 2002Publication date: July 1, 2004Applicant: Industrial Technology Research InstituteInventors: Ming-Yueh Liu, Heng-Chun Huang, Jauh-Jung Yang, Kun-Chih Pan
-
Publication number: 20040119199Abstract: A hot embossing auto-leveling apparatus which has an air-floating spherical bearing between a lower mold and a base, placed in a depression on the base, with the base housing an air inlet and an air outlet. A hot embossing auto-leveling method, comprising the steps of (1) performing an upward and downward coupling movement of the lower and upper molds; (2) adjusting the lower mold against the upper mold using the air-floating spherical bearing; (3) fixing the lower mold by under pressure in an orientation parallel to the upper mold; (4) placing a molded part on the lower mold; (5) evacuating, heating and pressurizing a working chamber; (6) cooling; and (7) opening.Type: ApplicationFiled: March 20, 2003Publication date: June 24, 2004Inventors: Jung Yan Huang, Chu Shu Tsai, Choung-Lii Chao, Chuan Kang Mu, Jauh Jung Yang, Cheng-Chun Huang, Ming Yueh Liu
-
Patent number: 6699379Abstract: An improved plating method in combination with a low-temperature thermal treatment is disclosed. The method for reducing the stress in the nickel-based alloy plating comprises the steps of: (a) adding ceramic particles into a plating bath containing soluble nickel salts; and (b) placing a substrate in the plating bath and thereafter carrying out a pulse-current electroplating in the plating bath. The method of this invention can prevent substrate softening or deformation problems. The use of a post low-temperature thermal treatment can slightly increase the hardness of the coating products. The use of the low-temperature thermal treatment can reduce the stress of the coatings since the hydrogen embrittlement resulting from exist of hydrogen in the coatings is eliminated.Type: GrantFiled: November 25, 2002Date of Patent: March 2, 2004Assignee: Industrial Technology Research InstituteInventors: Shih-Tsung Ke, Jen-Chih Li, Ming-Der Ger, Le-Min Wang, Yeh Sung, Jauh-Jung Yang, Ya-Ru Huang
-
Patent number: 6584250Abstract: An optical fiber alignment element using integrated micro ball lens includes a substrate and a plurality of V-shaped grooves or waveguides formed on the substrate by lithography and etching. The substrate surface is coated with a first polymer layer and a high transparency second polymer layer, then is processed through a lithography process and heating process to form at least a base pad and a spherical micro ball lens between the V-shaped grooves or waveguides. Then dispose optical fibers in the V-shaped grooves. And encase an upper cap over the micro ball lens, grooves, and optical fibers or waveguides. Through suitable configuration and positioning of the micro ball lens, grooves or waveguides, the micro ball lens may be aligned precisely between two sides of the optical fibers or waveguides. The process is simpler, more accurate, and may produce the optical fiber alignment element in an integrated and batch fashion.Type: GrantFiled: February 20, 2001Date of Patent: June 24, 2003Assignee: Industrial Technology Research InstituteInventors: Yuh-Sheng Lin, Cheng-Chun Huang, Ming-Yueh Liu, Jauh-Jung Yang, Chuan-Kang Mu, Ya-Ru Huang
-
Publication number: 20020132097Abstract: A simple method for fabricating three-dimensional microlens in batch is disclosed. The method for fabricating three-dimensional microlens includes (A) providing a substrate;(B) coating a layer of first polymer or compositions comprising first polymer on said substrate; (C) coating a layer of second polymer or compositions comprising second polymer on said layer of first polymer; (D) forming patterns of said layer of second polymer or compositions comprising second polymer; (E) heating said substrate coated with said polymers to a temperature ranging from said glass transition temperature (Tg) of second polymer to said glass transition temperature (Tg) of first polymer; (F) maintaining said coated substrate at said temperature to form microlens; and (G) cooling said microlens.Type: ApplicationFiled: May 9, 2002Publication date: September 19, 2002Inventors: Yuh-Sheng Lin, Kun-Lung Lin, Cheng-Tang Pan, Shih-Chou Chen, Jauh-Jung Yang
-
Publication number: 20020114578Abstract: An optical fiber alignment element using integrated micro ball lens includes a substrate and a plurality of V-shaped grooves or waveguides formed on the substrate by lithography and etching. The substrate surface is coated with a first polymer layer and a high transparency second polymer layer, then is processed through a lithography process and heating process to form at least a base pad and a spherical micro ball lens between the V-shaped grooves or waveguides. Then dispose optical fibers in the V-shaped grooves. And encase an upper cap over the micro ball lens, grooves, and optical fibers or waveguides. Through suitable configuration and positioning of the micro ball lens, grooves or waveguides, the micro ball lens may be aligned precisely between two sides of the optical fibers or waveguides. The process is simpler, more accurate, and may produce the optical fiber alignment element in an integrated and batch fashion.Type: ApplicationFiled: February 20, 2001Publication date: August 22, 2002Inventors: Yuh-Sheng Lin, Cheng-Chun Huang, Ming-Yueh Liu, Jauh-Jung Yang, Chuan-Kang Mu, Ya-Ru Huang