Patents by Inventor Wen-Chieh Wu
Wen-Chieh Wu 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: 20150036352Abstract: A light emitting diode (LED) lamp is provided. The LED lamp includes a circuit board, at least one LED, a diffusing cap and a heat sink structure. The LED is disposed on the circuit board for emitting a light. The diffusing cap covers the LED and the circuit board. The diffusing cap includes an outer emitting portion and a lateral emitting portion. The outer emitting portion has a concave. The lateral emitting portion is connected to the outer emitting portion. The concave is used for reflecting part of the light toward a lateral surface of the lateral emitting portion. The heat sink structure is disposed below the circuit board for dissipating a heat generated from the LED and the circuit board.Type: ApplicationFiled: August 2, 2013Publication date: February 5, 2015Applicant: WINTEK CORPORATIONInventors: Ming-Chuan Lin, Zhi-Ting Ye, Hung-Pin Chang, Wen-Chieh Wu
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Publication number: 20140321128Abstract: An optical lens including a first light exit surface, a total internal reflection (TIR) surface, a second light exit surface and a third light exit surface connected in an order, and correspondingly has a first intersection, a second intersection and a third intersection therebetween. A first line between the first intersection and a reference point on an optical axis of the optical lens intersects with the optical axis to form a first angle between 30 degrees to 60 degrees, and a first direction of the reference point pointing toward a point on the TIR surface intersects with a normal of the first light exit surface at the point to form a reflecting angle larger than a critical angle of TIR. A second line between the second intersection and the reference point intersects with the first line to form a second angle between 10 degrees to 30 degrees.Type: ApplicationFiled: April 29, 2014Publication date: October 30, 2014Applicant: WINTEK CORPORATIONInventors: Wen-Chieh Wu, Zhi-Ting Ye, Ming-Chuan Lin, Hsiu-Ping Lee
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Patent number: 8870409Abstract: A light tube includes a tube body, at least one light emitting diode, and a transparent cover. The light emitting diode is assembled with the tube body. The transparent cover is disposed on the tube body to cover the light emitting diode and has a roof portion and two side arm portions. A first microstructure region and a second microstructure region are formed on a surface of the roof portion corresponding to the light emitting diode. The second microstructure region extends from two ends of the first microstructure region. A third microstructure region is formed on a surface of each side arm portion corresponding to the light emitting diode. A microstructure density of the second microstructure region is less than or equal to a microstructure density of the first microstructure region, and is greater than or equal to a microstructure density of the third microstructure region.Type: GrantFiled: April 17, 2013Date of Patent: October 28, 2014Assignees: Dongguan Masstop Liquid Crystal Display Co., Ltd., Wintek CorporationInventors: Zhi-Ting Ye, Ming-Chuan Lin, Hung-Pin Chang, Wen-Chieh Wu
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Publication number: 20140307434Abstract: A light source module includes a base, a plurality of light emitting components and a reflecting member. The light emitting components is disposed on the base, and the adjacent light emitting components form a gap therebetween. The reflecting member is disposed on the base and surrounded by the light emitting components. The reflecting member has a reflecting surface facing the light emitting components so as to avoid the light from being blocked by the opposite light emitting component and to redirect the light project via the gap formed between the adjacent light emitting components.Type: ApplicationFiled: April 10, 2014Publication date: October 16, 2014Applicant: WINTEK CORPORATIONInventors: Zhi-Ting Ye, Ming-Chuan Lin, Chia-Hung Pan, Wen-Chieh Wu
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Publication number: 20140306243Abstract: A light emitting device includes a frame, a plurality of first light emitting units and a plurality of second light emitting units. The frame includes a base, a plurality of first pillars and a plurality of second pillars, wherein the first pillars and the second pillars are extended from a periphery of the base and arranged interlacedly, the first pillars are bent inwardly with respect to the base, and the second pillars are bent outwardly with respect to the base. Each of the first light emitting units is disposed on one of the first pillars. Each of the second light emitting units is disposed on one of the second pillars.Type: ApplicationFiled: March 24, 2014Publication date: October 16, 2014Applicant: WINTEK CORPORATIONInventors: Ming-Chuan Lin, Zhi-Ting Ye, Wen-Chieh Wu
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Publication number: 20140198496Abstract: An illumination apparatus includes a transparent case, an opaque member, a ring-shaped light emitting device, and a ring-shaped transparent cover. The transparent case has a central region. The opaque member is disposed on the central region. The ring-shaped light emitting device is disposed in the transparent case corresponding to the central region. The ring-shaped transparent cover is disposed on the ring-shaped light emitting device and has a first arc-shaped ring portion relatively close to the opaque member and a second arc-shaped ring portion relatively away from the opaque member. A refraction microstructure region is formed on an inner surface of the first arc-shaped ring portion for refracting light emitted by the ring-shaped light emitting device.Type: ApplicationFiled: January 14, 2013Publication date: July 17, 2014Applicants: WINTEK CORPORATION, WINTEK (CHINA) TECHNOLOGY LTD.Inventors: Zhi-Ting Ye, Wen-Chieh Wu, Ming-Chuan Lin, Hung-Pin Chang, Chia-Hung Pan, Hsiu-Ping Lee
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Publication number: 20140192555Abstract: A planar light apparatus is disclosed and includes a reflection part, a secondary optic device, and a light-emitting device. The secondary optic device has a light incident surface, a light emitting surface, and a side surface, which is an elliptic surface, between the light incident surface and the light emitting surface. A reflecting surface of the reflection part and the light emitting surface face a void space formed between the secondary optic device and the reflection part. Light beams emitted by the light-emitting device into the secondary optic device through the light incident surface can be reflected by the side surface to emit out of the secondary optic device through the light emitting surface into the void space to be reflected by the reflecting surface. Thereby, the planar light apparatus without a conventional light-guiding plate still can offer a planar light source with certain uniformity and can be structured thinner.Type: ApplicationFiled: April 16, 2013Publication date: July 10, 2014Applicants: WINTEK CORPORAITON, Dongguan Masstop Liquid Crystal Display Co., Ltd.Inventors: Zhi-Ting Ye, Wen-Chieh Wu, Ming-Chuan Lin
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Publication number: 20140160743Abstract: A light tube includes a tube body, at least one light emitting diode, and a transparent cover. The light emitting diode is assembled with the tube body. The transparent cover is disposed on the tube body to cover the light emitting diode and has a roof portion and two side arm portions. A first microstructure region and a second microstructure region are formed on a surface of the roof portion corresponding to the light emitting diode. The second microstructure region extends from two ends of the first microstructure region. A third microstructure region is formed on a surface of each side arm portion corresponding to the light emitting diode. A microstructure density of the second microstructure region is less than or equal to a microstructure density of the first microstructure region, and is greater than or equal to a microstructure density of the third microstructure region.Type: ApplicationFiled: April 17, 2013Publication date: June 12, 2014Applicants: WINTEK CORPORATION, Dongguan Masstop Liquid Crystal Display Co., Ltd.Inventors: Zhi-Ting Ye, Ming-Chuan Lin, Hung-Pin Chang, Wen-Chieh Wu
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Publication number: 20140135054Abstract: A communication device and a power control method thereof are provided. The power control method, performed by a communication device, includes: determining a power range of a transmit power of an uplink signal; determining a gain switch range based on the power range; when the transmit power of the uplink signal is within the gain switch range, determining a first gain mode for amplifying the uplink signal; and when the transmit power of the uplink signal is out of the gain switch range, determining a second gain mode for amplifying the uplink signal.Type: ApplicationFiled: July 9, 2013Publication date: May 15, 2014Inventors: Sheng-Lun Chiou, Wen-Chieh Wu
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Publication number: 20140092628Abstract: An illumination device including a light guiding element, a light emitting element, and a reflective element is provided. The light guiding element has a light incident surface, a light emitting surface, a first surface and a second surface. The light incident surface surrounds the light guiding element and is connected between the light emitting surface and the first surface. The first surface is connected between the light incident surface and the second surface so that the second surface is substantially opposite to the light incident surface. The second surface constructs a depression structure having a diameter gradually changed from the first surface towards the light emitting surface. The light emitting element surrounds the light guiding element to emit a light towards the light incident surface. The reflective element is disposed at least on the first surface.Type: ApplicationFiled: October 2, 2013Publication date: April 3, 2014Applicant: WINTEK CORPORATIONInventors: Zhi-Ting Ye, Chia-Hung Pan, Ming-Chuan Lin, Hung-Pin Chang, Wen-Chieh Wu
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Publication number: 20140090774Abstract: The present invention relates to a mounting sheet comprising a mounting layer. The mounting layer comprises a mounting surface for mounting the substrate. The mounting surface comprises a first mounting area and a second mounting area, and wherein a mounting force of the first mounting area is stronger than a mounting force of the second mounting area. The sheet according to the invention has the different mounting areas, so that the substrate is easily unloaded when polishing is completed. Furthermore, the broken of the substrate due to removal and the duration and the difficulty of removal are reduced.Type: ApplicationFiled: October 3, 2013Publication date: April 3, 2014Applicant: SAN FANG CHEMICAL INDUSTRY CO., LTD.Inventors: CHUNG-CHIH FENG, I-PENG YAO, LYANG-GUNG WANG, HSIN-RU SONG, WEN-CHIEH WU
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Publication number: 20130265768Abstract: An illuminating module includes a casing, a sleeve forming a positioning device to contact with the casing; and a light source one end of which is extended into the sleeve, wherein the positioning device of the sleeve is non-fixedly contacted with the casing so as to adjust the sleeve to a desired location and direction in the casing. With the positioning device, the assembly process of the illuminating module becomes more easily to be accomplished and ensures the optical quality.Type: ApplicationFiled: March 18, 2013Publication date: October 10, 2013Applicant: MEGAFORCE COMPANY LIMITEDInventors: Jung-Shu Wang, Wen-Chieh Wu, Pao-Tang Su
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Patent number: 8491359Abstract: The present invention relates to a polishing pad that comprises a polishing sheet for polishing a substrate, a buffer sheet comprising a plurality of holes, and adhesive for adhering the buffer sheet to the polishing sheet; wherein the adhesive is formed by polymerizing macromolecules with fluidity. A method of polishing a substrate comprising using the polishing pad and a method for manufacturing the polishing pad described above are also provided.Type: GrantFiled: August 24, 2010Date of Patent: July 23, 2013Assignee: Bestac Advanced Material Co., Ltd.Inventors: Chung-Chih Feng, I-Peng Yao, Yung-Chang Hung, Lyang-Gung Wang, Wen-Chieh Wu
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Patent number: 8222867Abstract: The invention provides a battery charging and discharging apparatus and method. The battery charging and discharging apparatus comprises a power source and a plurality of charging and discharging module. The charging and discharging module comprises a current-limiting transistor, a current-limiting resistor, a charging controlling unit, and a discharging controlling unit, wherein both the charging controlling unit and the discharging controlling unit are of battery voltage tracking types. When the charging and discharging module charges a battery, the voltage across two ends of the current-limiting transistor and the current-limiting resistor connected in series is limited to a fixed value by the charging controlling unit. When the battery discharges, the voltage across two ends of the current-limiting transistor and the current-limiting resistor connected in series is limited to a fixed value by the discharging controlling unit.Type: GrantFiled: February 9, 2010Date of Patent: July 17, 2012Assignee: Chroma Ate Inc.Inventors: Yao-Nan Wang, Wen-Chieh Wu, Chao-Hsu Chen
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Patent number: 8204539Abstract: In order to put the voice transmission function of a data transmission device into practice, the present invention provides an analog processing device for a data transmission device, which includes an analog signal processing unit for performing analog signal processes on an input signal received by the data transmission device and an output signal transmitted by the data transmission device, an audio interface unit coupled to the analog signal processing unit, for transmitting the input signal and the output signal, an output unit coupled to the audio interface unit, for transmitting the output signal from the audio interface unit to an external device, and an input unit coupled to the audio interface unit, for transmitting the input signal from the external device to the audio interface unit.Type: GrantFiled: July 2, 2008Date of Patent: June 19, 2012Assignee: Wistron CorporationInventor: Wen-Chieh Wu
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Publication number: 20120126472Abstract: The present invention relates to a sheet for mounting a workpiece, which includes a sheet body. The sheet body includes a top surface, a plurality of foamed pores, and a plurality of surface holes or at least one surface groove. The top surface is used for mounting a workpiece. The foamed pores are disposed in the interior of the sheet body. The surface holes or the surface groove have opening on the top surface but does not communicate with the foamed pores. The surface holes or the surface groove is formed by machining, and arranged in at least one pattern. Whereby, the time for taking off the workpiece from the sheet is reduced.Type: ApplicationFiled: November 2, 2011Publication date: May 24, 2012Applicant: SAN FANG CHEMICAL INDUSTRY CO., LTD.Inventors: CHUNG-CHIH FENG, I-PENG YAO, LYANG-GUNG WANG, WEN-CHIEH WU, WEI-TE LIU
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Publication number: 20110045744Abstract: The present invention relates to a polishing pad that comprises a polishing sheet for polishing a substrate, a buffer sheet comprising a plurality of holes, and adhesive for adhering the buffer sheet to the polishing sheet; wherein the adhesive is formed by polymerizing macromolecules with fluidity. A method of polishing a substrate comprising using the polishing pad and a method for manufacturing the polishing pad described above are also provided.Type: ApplicationFiled: August 24, 2010Publication date: February 24, 2011Applicant: BESTAC ADVANCED MATERIAL CO., LTD.Inventors: Chung-Chih Feng, I-Peng Yao, Yung-Chang Hung, Lyang-Gung Wang, Wen-Chieh Wu
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Publication number: 20100304792Abstract: A mobile communication device includes: an antenna module; a touchscreen for detecting a touching operation thereon; an application processor including an auxiliary display module that accesses information in a portable electronic device and sends the information to the touchscreen for display; a wireless communication unit controlled to retrieve data from the Internet for display on the touchscreen or the portable electronic device, or controlled to display a dialing interface on the touchscreen or the portable electronic device to allow for input of a telephone number; and a satellite navigation unit performing navigation based on information provided by a global positioning system and information in an electronic map database, and displaying navigation information on the touchscreen or the portable electronic device. The application processor activates the wireless communication unit, the satellite navigation unit, or the auxiliary display module according to a signal received from the touchscreen.Type: ApplicationFiled: May 11, 2010Publication date: December 2, 2010Inventors: Chia-Hsien LI, Wen-Chin Wu, Sung-Yu Hsieh, Pin-Yuan Yang, Pin-Hsien Su, Wen-Chieh Wu
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Publication number: 20100227118Abstract: The present invention relates to a sheet having discontinuous adhesion points and a method for making the same. The sheet includes a buffer layer, an adsorption layer, and an adhesion layer. The adhesion layer is disposed between the buffer layer and the adsorption layer. The adhesion layer has a plurality of adhesion points to bind the buffer layer and the adsorption layer together. The adhesion points are discontinuous and have gaps in between. Consequently, when the sheet is pressed, air can be vented out through the gaps between the adhesion points, so that the adsorption force is increased.Type: ApplicationFiled: August 5, 2009Publication date: September 9, 2010Applicant: BESTAC ADVANCED MATERIAL CO., LTD.Inventors: Chung-Chih Feng, I-Peng Yao, Lyang-Gung Wang, Wen-Chieh Wu
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Publication number: 20100201324Abstract: The invention provides a battery charging and discharging apparatus and method. The battery charging and discharging apparatus comprises a power source and a plurality of charging and discharging module. The charging and discharging module comprises a current-limiting transistor, a current-limiting resistor, a charging controlling unit, and a discharging controlling unit, wherein both the charging controlling unit and the discharging controlling unit are of battery voltage tracking types. When the charging and discharging module charges a battery, the voltage across two ends of the current-limiting transistor and the current-limiting resistor connected in series is limited to a fixed value by the charging controlling unit. When the battery discharges, the voltage across two ends of the current-limiting transistor and the current-limiting resistor connected in series is limited to a fixed value by the discharging controlling unit.Type: ApplicationFiled: February 9, 2010Publication date: August 12, 2010Applicant: CHROMA ATE INC.Inventors: Yao-Nan Wang, Wen-Chieh Wu, Chao-Hsu Chen