Patents by Inventor Chien-Min Chang
Chien-Min Chang 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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Publication number: 20240087896Abstract: Methods of forming line-end extensions and devices having line-end extensions are provided. In some embodiments, a method includes forming a patterned photoresist on a first region of a hard mask layer. A line-end extension region is formed in the hard mask layer. The line-end extension region extends laterally outward from an end of the first region of the hard mask layer. The line-end extension region may be formed by changing a physical property of the hard mask layer at the line-end extension region.Type: ApplicationFiled: November 21, 2023Publication date: March 14, 2024Inventors: Chih-Min HSIAO, Chien-Wen LAI, Ru-Gun LIU, Chih-Ming LAI, Shih-Ming CHANG, Yung-Sung YEN, Yu-Chen CHANG
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Publication number: 20180186642Abstract: A preparation method of a battery composite material includes steps as follows. A phosphoric acid solution, a zerovalent iron and a catalyst are mixed and undergoing an oxidation reaction to generate a precursor slurry including a compound of formula (1). The precursor slurry, a first component, and a second component are mixed and reacted to generate a resultant. The resultant is powderized. Then powderized resultant is calcined to produce a composite material represented by the following formula (2).Type: ApplicationFiled: September 26, 2017Publication date: July 5, 2018Applicant: TATUNG FINE CHEMICALS CO.Inventor: Chien-Min Chang
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Patent number: 9290039Abstract: A production method of workpiece is provided. First, an adhesive layer is applied on a workpiece. The adhesive layer is impressed by a mold, so that the adhesive layer forms a three-dimensional pattern. A first curing process with a first irradiating energy is performed on the adhesive layer. The workpiece is punched after the first curing process is performed on the adhesive layer, so that the workpiece forms a three-dimensional workpiece. A second curing process with a second irradiating energy is performed on the adhesive layer after the workpiece is punched, wherein the second irradiating energy intensity is higher than the first irradiating energy intensity.Type: GrantFiled: November 24, 2011Date of Patent: March 22, 2016Assignee: COMPAL ELECTRONICS, INC.Inventors: Wan-Li Chuang, Chien-Min Chang, Tsung-Sheng Chuang
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Patent number: 9242505Abstract: A production method of workpiece is provided. First, an adhesive layer is applied on a workpiece, wherein a material of the adhesive layer includes thermosetting resin and radiationcurable resin. The adhesive layer is impressed by a mold, so that the adhesive layer forms a three-dimensional pattern. A first curing process is performed on the adhesive layer by one of radiation-curing and thermal-curing. The workpiece is punched after the first curing process is performed on the adhesive layer, so that the workpiece forms a three-dimensional workpiece. A second curing process is performed on the adhesive layer by another one of radiation-curing and thermal-curing after the workpiece is punched. In addition, a workpiece with three-dimensional pattern is also provided.Type: GrantFiled: November 24, 2011Date of Patent: January 26, 2016Assignee: COMPAL ELECTRONICS, INC.Inventors: Wan-Li Chuang, Chien-Min Chang, Ju-Chen Chiu, Chih-Hua Liu, Tsung-Sheng Chuang
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Publication number: 20150020959Abstract: A multi-layer 3D pattern manufacturing method includes the steps of forming a color film on a surface of a substrate or a third pattern structure by providing a chromogenic material by lithography, gravure, flexographic printing, screen printing and physical vapor deposition in a transcribed printing process. Using the color film to match with different 3D pattern structures to form a multilayer 3D pattern which can be applied to the housing of various different electronic products not only can improve the aesthetic appearance, it can also enclose the color film within the 3D pattern to prevent the 3D pattern from falling off or fading; thus, the lifetime of the pattern can be improved.Type: ApplicationFiled: July 17, 2013Publication date: January 22, 2015Inventor: CHIEN-MIN CHANG
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Patent number: 8911581Abstract: A composite light guide plate manufacturing method includes the steps of providing a light guide substrate; providing a transfer membrane, which sequentially includes a substrate, a reflective layer and a diffusion microstructure; attaching the transfer membrane to the light guide substrate with a side of the transfer membrane, which has the diffusion microstructure thereon; and removing the substrate to expose the reflective layer.Type: GrantFiled: June 11, 2013Date of Patent: December 16, 2014Assignee: Compal Electronics, Inc.Inventors: Ju-Chen Chiu, Chien-Min Chang, Po-An Lin, Chih-Hua Liu, Hao-Ying Chang
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Publication number: 20140205699Abstract: A production method of three-dimensional pattern is disclosed. First, an adhesive layer is applied on a three-dimensional workpiece. Next, a film is vacuum adsorbed on the adhesive layer so that the film is impressed onto the adhesive layer to form the three-dimensional pattern on the adhesive layer. Finally, the adhesive layer is cured by implementing a plurality of heat treatments thereon. A workpiece of three-dimensional pattern and a production device of three-dimensional pattern are also disclosed.Type: ApplicationFiled: March 21, 2014Publication date: July 24, 2014Applicant: COMPAL ELECTRONICS, INC.Inventors: Chien-Min Chang, Wan-Li Chuang, Jung-Chin Wu
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Patent number: 8721824Abstract: A production method of three-dimensional pattern is disclosed. First, an adhesive layer is applied on a three-dimensional workpiece. Next, a film is vacuum adsorbed on the adhesive layer so that the film is impressed onto the adhesive layer to form the three-dimensional pattern on the adhesive layer. Finally, the adhesive layer is cured by implementing a plurality of heat treatments thereon. A workpiece of three-dimensional pattern and a production device of three-dimensional pattern are also disclosed.Type: GrantFiled: September 14, 2010Date of Patent: May 13, 2014Assignee: Compal Electronics, Inc.Inventors: Chien-Min Chang, Wan-Li Chuang, Jung-Chin Wu
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Publication number: 20140116607Abstract: A composite light guide plate manufacturing method includes the steps of providing a light guide substrate; providing a transfer membrane, which sequentially includes a substrate, a reflective layer and a diffusion microstructure; attaching the transfer membrane to the light guide substrate with a side of the transfer membrane, which has the diffusion microstructure thereon; and removing the substrate to expose the reflective layer.Type: ApplicationFiled: June 11, 2013Publication date: May 1, 2014Inventors: Ju-Chen CHIU, Chien-Min CHANG, Po-An LIN, Chih-Hua LIU, Hao-Ying CHANG
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Patent number: 8684579Abstract: An electronic device includes a display module, a base and a keyboard module. The display module is pivoted on the base. The keyboard module is disposed on the base. The keyboard module has a plurality of keys. Each of the keys includes a main body and an imprinted structure. The main body has a top surface. The imprinted structure is disposed on the top surface of the main body and includes a light guiding portion and a light scattering portion. A light emitted by the display module illuminates the keyboard module. The light is guided towards a specific direction when the light passes through the light guiding portion, and the light is scattered in other directions when the light passes through the light scattering portion.Type: GrantFiled: May 22, 2012Date of Patent: April 1, 2014Assignee: Compal Electronics, Inc.Inventors: Wan-Li Chuang, Chien-Min Chang, Li-Jung Yu, Mei-Hsiung Tsai, Yung-Ching Chang, Ju-Chen Chiu
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Patent number: 8580485Abstract: A method for forming a three-dimensional pattern includes following steps. A shaped workpiece having an inner surface and an outer surface is provided, and a first photoresist layer and a second photoresist layer are respectively formed on the outer surface and the inner surface. The shaped workpiece is placed on a transparent fixture. The first photoresist layer and the second photoresist layer are exposed and developed, such that the first photoresist layer forms a patterned photoresist layer, and the second photoresist layer forms an etching protection layer. The shaped workpiece is etched to form the three-dimensional pattern on the outer surface of the shaped workpiece. The patterned photoresist layer and the etching protection layer are removed.Type: GrantFiled: November 12, 2010Date of Patent: November 12, 2013Assignee: Compal Electronics, Inc.Inventors: Chien-Min Chang, Jung-Chin Wu, Wan-Li Chuang
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Patent number: 8574702Abstract: A shell structure includes a composite material layer and a second material layer is provided. The composite material layer includes a woven layer and a first material layer. The woven layer has a first surface and a second surface opposite to each other. The first material layer is located on the first surface and has a plurality of through-holes. The second material layer is disposed on the first material layer and has a plurality of extending-portions adapted to be combined with the woven layer and fix the second material layer and the composite material layer to each other. In addition, a manufacturing method for shell structure of electronic device is also provided.Type: GrantFiled: December 21, 2011Date of Patent: November 5, 2013Assignee: Compal Electronics, Inc.Inventors: Jung-Chin Wu, Po-An Lin, Kuo-Nan Ling, Han-Ching Huang, Chih-Wen Chiang, Chien-Min Chang
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Publication number: 20130265799Abstract: An electronic device includes a display module, a base and a keyboard module. The display module is pivoted on the base. The keyboard module is disposed on the base. The keyboard module has a plurality of keys. Each of the keys includes a main body and an imprinted structure. The main body has a top surface. The imprinted structure is disposed on the top surface of the main body and includes a light guiding portion and a light scattering portion. A light emitted by the display module illuminates the keyboard module. The light is guided towards a specific direction when the light passes through the light guiding portion, and the light is scattered in other directions when the light passes through the light scattering portion.Type: ApplicationFiled: May 22, 2012Publication date: October 10, 2013Applicant: COMPAL ELECTRONICS, INC.Inventors: Wan-Li Chuang, Chien-Min Chang, Li-Jung Yu, Mei-Hsiung Tsai, Yung-Ching Chang, Ju-Chen Chiu
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Publication number: 20120164360Abstract: A shell structure includes a composite material layer and a second material layer is provided. The composite material layer includes a woven layer and a first material layer. The woven layer has a first surface and a second surface opposite to each other. The first material layer is located on the first surface and has a plurality of through-holes. The second material layer is disposed on the first material layer and has a plurality of extending-portions adapted to be combined with the woven layer and fix the second material layer and the composite material layer to each other. In addition, a manufacturing method for shell structure of electronic device is also provided.Type: ApplicationFiled: December 21, 2011Publication date: June 28, 2012Applicant: COMPAL ELECTRONICS, INC.Inventors: Jung-Chin Wu, Po-An Lin, Kuo-Nan Ling, Han-Ching Huang, Chih-Wen Chiang, Chien-Min Chang
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Publication number: 20120088074Abstract: A workpiece with three-dimensional pattern having a three-dimensional surface and suitable for an electronic device is provided. A multiple three-dimensional micro patterns formed on the three-dimensional surface reflects an environment light to form images with a visual effect. The workpiece with three-dimensional pattern includes a workpiece and an adhesive layer. The adhesive layer is disposed on the workpiece and impressed to form the multiple three-dimensional micro patterns, and the workpiece is punched to form the three-dimensional surface. A first part of the multiple three-dimensional micro patterns on the three-dimensional surface reflects the environment light to form a first reflecting light beam. A second part of the multiple three-dimensional micro patterns on the three-dimensional surface reflects the environment light to form a second reflecting light beam.Type: ApplicationFiled: December 19, 2011Publication date: April 12, 2012Applicant: COMPAL ELECTRONICS, INC.Inventors: Wan-Li Chuang, Chien-Min Chang, Li-Jung Yu, Yung-Ching Chang, Ying-Ching Chen, Tsung-Sheng Chuang
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Publication number: 20120070631Abstract: A production method of workpiece is provided. First, an adhesive layer is applied on a workpiece. The adhesive layer is impressed by a mold, so that the adhesive layer forms a three-dimensional pattern. A first curing process with a first irradiating energy is performed on the adhesive layer. The workpiece is punched after the first curing process is performed on the adhesive layer, so that the workpiece forms a three-dimensional workpiece. A second curing process with a second irradiating energy is performed on the adhesive layer after the workpiece is punched, wherein the second irradiating energy intensity is higher than the first irradiating energy intensity.Type: ApplicationFiled: November 24, 2011Publication date: March 22, 2012Applicant: COMPAL ELECTRONICS, INC.Inventors: Wan-Li Chuang, Chien-Min Chang, Tsung-Sheng Chuang
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Publication number: 20120070639Abstract: A production method of workpiece is provided. First, an adhesive layer is applied on a workpiece, wherein a material of the adhesive layer includes thermosetting resin and radiationcurable resin. The adhesive layer is impressed by a mold, so that the adhesive layer forms a three-dimensional pattern. A first curing process is performed on the adhesive layer by one of radiation-curing and thermal-curing. The workpiece is punched after the first curing process is performed on the adhesive layer, so that the workpiece forms a three-dimensional workpiece. A second curing process is performed on the adhesive layer by another one of radiation-curing and thermal-curing after the workpiece is punched. In addition, a workpiece with three-dimensional pattern is also provided.Type: ApplicationFiled: November 24, 2011Publication date: March 22, 2012Applicant: COMPAL ELECTRONICS, INC.Inventors: Wan-Li Chuang, Chien-Min Chang, Ju-Chen Chiu, Chih-Hua Liu, Tsung-Sheng Chuang
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Publication number: 20110183270Abstract: A method for forming a three-dimensional pattern includes following steps. A shaped workpiece having an inner surface and an outer surface is provided, and a first photoresist layer and a second photoresist layer are respectively formed on the outer surface and the inner surface. The shaped workpiece is placed on a transparent fixture. The first photoresist layer and the second photoresist layer are exposed and developed, such that the first photoresist layer forms a patterned photoresist layer, and the second photoresist layer forms an etching protection layer. The shaped workpiece is etched to form the three-dimensional pattern on the outer surface of the shaped workpiece. The patterned photoresist layer and the etching protection layer are removed.Type: ApplicationFiled: November 12, 2010Publication date: July 28, 2011Applicant: COMPAL ELECTRONICS, INC.Inventors: Chien-Min Chang, Jung-Chin Wu, Wan-Li Chuang
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Publication number: 20110070500Abstract: An electrode material includes a particle-shaped crystalline metal oxide and further includes a particle-shaped amorphous metal oxide that is porous with a pore volume greater than or equal to 0.5 cm3/g. The electrode material can be formed and applied in the context of a lithium secondary battery.Type: ApplicationFiled: March 19, 2010Publication date: March 24, 2011Applicant: Chung Yuan Christian UniversityInventors: Yui-Whei Chen, Po-Chun Chuang, Chien-Min Chang
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Publication number: 20110061798Abstract: A production method of a three-dimensional pattern is disclosed. First, an adhesive layer is applied on a three-dimensional workpiece. Next, a film is vacuum adsorbed on the adhesive layer so that the film is impressed onto the adhesive layer to form the three-dimensional pattern on the adhesive layer. Finally, the adhesive layer is cured.Type: ApplicationFiled: April 12, 2010Publication date: March 17, 2011Applicant: COMPAL ELECTRONICS, INC.Inventors: Chien-Min Chang, Wan-Li Chuang, Jung-Chin Wu