Patents by Inventor Da-Ren Chiou
Da-Ren Chiou 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).
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Patent number: 10520654Abstract: An ultra-thin broadband retardation film is provided. The broadband retardation film includes a first retardation film and a second retardation film. The second retardation film is disposed on a side of the first retardation film, wherein an in-plane retardation value Ro of the first retardation film is between 70 nm and 130 nm, an in-plane retardation value Ro of the second retardation film is between 140 nm and 260 nm, and an angle between an optic axis of the first retardation film and an optic axis of the second retardation film is between 35° and 70°.Type: GrantFiled: July 13, 2017Date of Patent: December 31, 2019Assignee: imat corporationInventors: Tsai-An Yu, Da-Ren Chiou, Shih-Ming Hung, Peng-Shun Tsai, Yi-Ting Chiu, Kuo-Chen Wu, Yi-Chien Chen
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Publication number: 20190378883Abstract: A display device is provided. The display device includes an organic light emitting diode display panel, a blue light brightness enhancement film and a polarizing film. The blue light brightness enhancement film is disposed on the organic light emitting diode display panel. The blue light brightness enhancement film includes a cholesteric liquid crystal layer and a quarter-wave phase retardation film, and the quarter-wave phase retardation film is disposed on the cholesteric liquid crystal layer. The polarizing film is disposed on the blue light brightness enhancement film.Type: ApplicationFiled: September 4, 2018Publication date: December 12, 2019Applicant: imat corporationInventors: Tsai-An Yu, Da-Ren Chiou, Shih-Ming Hung, Kuo-Chen Wu, Hui-Mei Liu, Hsiu-Yun Hsu
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Publication number: 20190204486Abstract: An optical film with a conductive function is provided. The optical film with the conductive function includes a liquid crystal optical compensation film and a conductive layer. The conductive layer is disposed on the liquid crystal optical compensation film.Type: ApplicationFiled: July 9, 2018Publication date: July 4, 2019Applicant: imat corporationInventors: Tsai-An Yu, Da-Ren Chiou, Shih-Ming Hung, Kuo-Chen Wu, Yi-Chien Chen, Hsiu-Yun Hsu
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Publication number: 20180313989Abstract: A polarizing plate with optical compensation function is provided. The polarizing plate includes a polarizer, a liquid crystal optical compensation film, a first adhesive layer, an adhesion-promoting layer, a protective film, and a second adhesive layer. The liquid crystal optical compensation film is disposed on one side of the polarizer. The first adhesive layer is disposed between the polarizer and the liquid crystal optical compensation film. The adhesion-promoting layer is disposed between the first adhesive layer and the liquid crystal optical compensation film. The protective film is disposed on one side of the polarizer relative to the liquid crystal optical compensation film. The second adhesive layer is disposed between the polarizer and the protective film.Type: ApplicationFiled: January 11, 2018Publication date: November 1, 2018Applicant: Imat CorporationInventors: Tsai-An Yu, Da-Ren Chiou, Shih-Ming Hung, Kuo-Chen Wu, Yi-Chien Chen
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Publication number: 20180017723Abstract: An ultra-thin broadband retardation film is provided. The broadband retardation film includes a first retardation film and a second retardation film. The second retardation film is disposed on a side of the first retardation film, wherein an in-plane retardation value Ro of the first retardation film is between 70 nm and 130 nm, an in-plane retardation value Ro of the second retardation film is between 140 nm and 260 nm, and an angle between an optic axis of the first retardation film and an optic axis of the second retardation film is between 35° and 70°.Type: ApplicationFiled: July 13, 2017Publication date: January 18, 2018Applicant: imat corporationInventors: Tsai-An Yu, Da-Ren Chiou, Shih-Ming Hung, Peng-Shun Tsai, Yi-Ting Chiu, Kuo-Chen Wu, Yi-Chien Chen
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Patent number: 9223066Abstract: A patterned retarder is provided. A microstructure layer is disposed on a substrate of the optical retarder. The microstructure layer has a plurality of trapezoid protrusions. A bottom angel of the trapezoid protrusions is 12-85 degree. A conformal alignment layer and a liquid crystal phase retarder layer are sequentially disposed on the microstructure layer.Type: GrantFiled: August 29, 2014Date of Patent: December 29, 2015Assignee: FAR EASTERN NEW CENTURY CORPORATIONInventors: Wei-Che Hung, Da-Ren Chiou, Yu-June Wu
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Publication number: 20150323719Abstract: A patterned retarder is provided. A microstructure layer is disposed on a substrate of the optical retarder. The microstructure layer has a plurality of trapezoid protrusions. A bottom angel of the trapezoid protrusions is 12-85 degree. A conformal alignment layer and a liquid crystal phase retarder layer are sequentially disposed on the microstructure layer.Type: ApplicationFiled: August 29, 2014Publication date: November 12, 2015Inventors: Wei-Che Hung, Da-Ren Chiou, Yu-June Wu
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Publication number: 20150309233Abstract: A method of fabricating a retardation film and a retardation film is provided. In the method, a primary transparent substrate is provided, and a liquid crystal aligning layer is formed over the primary transparent substrate, in which the liquid crystal aligning layer includes a first liquid crystal alignment region and a second liquid crystal alignment region interlacing with each other. A plurality of opacifier stripes are printed on a secondly transparent substrate, which the opacifier stripes are aligned with the interface between the first and second liquid crystal alignment regions. An adhesive layer is coated over the surface of the secondly transparent substrate and surfaces of the opacifier stripes. Further, the adhesive layer is bonded to the liquid crystal aligning layer, and then the liquid crystal aligning layer is separated from the primary transparent substrate.Type: ApplicationFiled: December 19, 2014Publication date: October 29, 2015Inventors: Wei-Che Hung, Da-Ren Chiou, Yu-June Wu
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Patent number: 9067239Abstract: A method of making a phase difference film includes: (a) providing a substrate having a first surface provided with a light-shielding layer and a second surface provided with an orientable layer; (b) providing a first linear polarized UV light to irradiate the orientable layer and providing a second linear polarized UV light to irradiate the orientable layer so as to form the orientable layer into an alignment layer having first and second regions that are photo-oriented in two different orientation directions, respectively; and (c) coating a liquid crystal material on the alignment layer and curing the liquid crystal material.Type: GrantFiled: February 15, 2013Date of Patent: June 30, 2015Assignee: Far Eastern New Century CorporationInventors: Da-Ren Chiou, Wei-Che Hung, Yu-June Wu
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Publication number: 20150037510Abstract: The present disclosure relates to a method of manufacturing the retardation film. The method includes providing a microstructure substrate. The microstructure substrate has a plurality of protruding portions and a plurality of recessed portions alternatively arranged. The method further includes forming an optical alignment layer on the microstructure substrate. The method further includes applying a polarized ultraviolet (UV) to the optical alignment layer above the microstructure substrate. The polarized UV is applied in a diffusion angle from normal vector of the microstructure substrate such that the optical alignment layer forms a uniform alignment angle, and the diffusion angle is substantially 20°-60°.Type: ApplicationFiled: March 11, 2014Publication date: February 5, 2015Applicant: FAR EASTERN NEW CENTURY CORPORATIONInventors: Wei-Che HUNG, Da-Ren CHIOU, Yu-June WU
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Patent number: 8828650Abstract: A method for making a retarder includes: (a) forming a photocurable layer on a substrate, the photocurable layer including at least one photocurable prepolymer that has a plurality of reactive functional groups and a functional group equivalent weight ranging from 70 to 700 g/mol; (b) covering partially the photocurable layer using a patterned mask; (c) exposing the photocurable layer through the patterned mask; (d) removing the patterned mask; (e) exposing the photocurable layer to cure second regions of the photocurable layer so as to form a microstructure; (f) forming an alignment layer on the microstructure; (g) forming a liquid crystal layer on the alignment layer; and (h) curing the liquid crystal layer.Type: GrantFiled: September 14, 2012Date of Patent: September 9, 2014Assignee: Far Eastern New Century CorporationInventors: Da-Ren Chiou, Wei-Che Hung, Chiu-Fang Chen, Yu-June Wu
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Patent number: 8784930Abstract: The present invention pertains to a transparent conductive film including a conductive layer having different thicknesses so as to increase the optical transmittance while maintaining the conductivity of the transparent conductive film. The present invention also pertains to a process for the preparation of the above-mentioned transparent conductive film.Type: GrantFiled: September 23, 2011Date of Patent: July 22, 2014Assignee: Far Eastern New Century CorporationInventors: Da-Ren Chiou, Wei-Che Hung, Shih-Yueh Lin, Chiu-Fang Chen, Tzu-Ying Chen
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Publication number: 20140130968Abstract: A method for fabricating a patterned retarder includes bonding first trans-missive substrate that has a patterned photomask layer to a front surface of second light-transmissive substrate, and forming a photo-orientable layer on a rear surface of the second light-transmissive substrate such that a distance between the photomask layer and the photo-orientable layer is relatively small. Linear polarized light is allowed to pass through light-transmissive regions in the photomask unit to irradiate first regions of the photo-orientable layer. Due to the small distance, the polarized light can be either collimated light or uncollimated light.Type: ApplicationFiled: November 11, 2013Publication date: May 15, 2014Applicant: FAR EASTERN NEW CENTURY CORPORATIONInventors: Wei-Che HUNG, Yu-June Wu, Da-Ren Chiou
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Patent number: 8704984Abstract: A method of preparing a composite optical retarder is provided. A first and a second liquid crystal coating materials are respectively disposed on opposite surfaces of a photoalignment film to respectively form a first and a second optical retarders. The composite optical retarder having the photoalignment film sandwiched by the first and the second optical retarders is thus obtained.Type: GrantFiled: February 8, 2012Date of Patent: April 22, 2014Assignee: Far Eastern New Century CorporationInventors: Da-Ren Chiou, Tzu-Ying Chen, Wei-Che Hung, De-Ling Hsu, Chiu-Fang Chen
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Patent number: 8703409Abstract: A method for forming a microstructure includes: (a) forming a photocurable layer on a substrate, the photocurable layer including at least one photocurable compound that has a photocurable functional group equivalent weight ranging from 70 to 700 g/mol; (b) covering partially the photocurable layer using a patterned mask; (c) exposing the photocurable layer through the patterned mask using a first light source so that the photocurable layer is cured at first regions which are exposed; (d) removing the patterned mask; and (e) illuminating the photocurable layer using a second light source to cure second regions of the photocurable layer which have not been cured. The first and second regions have different surface heights and provide a surface roughness for the microstructure.Type: GrantFiled: September 13, 2011Date of Patent: April 22, 2014Assignee: Far Eastern New Century CorporationInventors: Da-Ren Chiou, Wei-Che Hung, Shoh-Yue Lin, Chiu-Fang Chen, Tzu-Ying Chen
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Publication number: 20140020824Abstract: A method for annealing liquid crystal is provided. First, a substrate having a liquid crystal layer thereon is provided, and a lens structure is disposed between the substrate and a contact surface of the liquid crystal layer. The liquid crystal layer fills and levels up the lens structure, and it has a thickness difference between the thickest portion and the thinnest portion in a range of 10 to 150 ?m. An infrared light-absorbing layer having transmittance of infrared light in a range of 5 to 70% is covered on the liquid crystal layer. Infrared light is irradiated to the infrared light-absorbing layer to anneal the liquid crystal.Type: ApplicationFiled: December 26, 2012Publication date: January 23, 2014Applicant: FAR EASTERN NEW CENTURY CORPORATIONInventors: Yu-June Wu, Da-Ren Chiou, Wei-Che Hung
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Publication number: 20130342797Abstract: A method of making a phase difference film includes: (a) providing a substrate having a first surface provided with a light-shielding layer and a second surface provided with an orientable layer; (b) providing a first linear polarized UV light to irradiate the orientable layer and providing a second linear polarized UV light to irradiate the orientable layer so as to form the orientable layer into an alignment layer having first and second regions that are photo-oriented in two different orientation directions, respectively; and (c) coating a liquid crystal material on the alignment layer and curing the liquid crystal material.Type: ApplicationFiled: February 15, 2013Publication date: December 26, 2013Applicant: FAR EASTERN NEW CENTURY CORPORATIONInventors: Da-Ren Chiou, Wei-Che Hung, Yu-June Wu
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Publication number: 20130164661Abstract: A method for making a retardation film includes: (a) forming a photo-alignment layer on a substrate; (b) exposing the photo-alignment layer such that first and second regions of the alignment surface are oriented in a first alignment direction; (c) disposing a patterned mask over the photo-alignment layer such that the first regions of the alignment surface are shielded; (d) exposing the second regions such that the second regions are oriented in a second alignment direction, and the first regions remain oriented in the first alignment direction; (e) coating liquid crystal molecules over the alignment surface; and (f) curing the liquid crystal molecules.Type: ApplicationFiled: September 14, 2012Publication date: June 27, 2013Applicant: FAR EASTERN NEW CENTURY CORPORATIONInventors: Chien-Cheng Chang, Chiu-Fang Chen, Da-Ren Chiou, Wei-Che Hung
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Publication number: 20130107190Abstract: A method of preparing a composite optical retarder is provided. A first and a second liquid crystal coating materials are respectively disposed on opposite surfaces of a photoalignment film to respectively form a first and a second optical retarders. The composite optical retarder having the photoalignment film sandwiched by the first and the second optical retarders is thus obtained.Type: ApplicationFiled: February 8, 2012Publication date: May 2, 2013Applicant: Far Eastern New Century CorporationInventors: Da-Ren CHIOU, Tzu-Ying CHEN, Wei-Che HUNG, De-Ling HSU, Chiu-Fang CHEN
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Publication number: 20130064985Abstract: A method for making a retarder includes: (a) forming a photocurable layer on a substrate, the photocurable layer including at least one photocurable prepolymer that has a plurality of reactive functional groups and a functional group equivalent weight ranging from 70 to 700 g/mol; (b) covering partially the photocurable layer using a patterned mask; (c) exposing the photocurable layer through the patterned mask; (d) removing the patterned mask; (e) exposing the photocurable layer to cure second regions of the photocurable layer so as to form a microstructure; (f) forming an alignment layer on the microstructure; (g) forming a liquid crystal layer on the alignment layer; and (h) curing the liquid crystal layer.Type: ApplicationFiled: September 14, 2012Publication date: March 14, 2013Applicant: FAR EASTERN NEW CENTURY CORPORATIONInventors: Da-Ren CHIOU, Wei-Che HUNG, Chiu-Fang CHEN, Yu-June WU