Patents by Inventor Yi Chang Lai
Yi Chang Lai 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: 11189238Abstract: A display device receiving image data generated by an image generator and including a first memory, a second memory, a selection circuit, a timing controller, and a display panel is provided. The first memory is configured to store first display data. The second memory is configured to store second display data. The second memory is disposed independent of the first memory. The selection circuit selects either the first display data or the second display data to serve as specific data based on a first selection signal. The timing controller generates the first selection signal according to the voltage level of a specific pin and provides the specific data to the image generator. The image generator generates the image data according to the specific data. The display panel displays an image based on the image data.Type: GrantFiled: September 17, 2020Date of Patent: November 30, 2021Assignee: ACER INCORPORATEDInventors: Yi-Chang Lai, Chih-Chiang Chen, Hsu-Hsiang Tseng, Chao-Shih Huang
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Publication number: 20210256917Abstract: A display device receiving image data generated by an image generator and including a first memory, a second memory, a selection circuit, a timing controller, and a display panel is provided. The first memory is configured to store first display data. The second memory is configured to store second display data. The second memory is disposed independent of the first memory. The selection circuit selects either the first display data or the second display data to serve as specific data based on a first selection signal. The timing controller generates the first selection signal according to the voltage level of a specific pin and provides the specific data to the image generator. The image generator generates the image data according to the specific data. The display panel displays an image based on the image data.Type: ApplicationFiled: September 17, 2020Publication date: August 19, 2021Inventors: Yi-Chang LAI, Chih-Chiang CHEN, Hsu-Hsiang TSENG, Chao-Shih HUANG
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Patent number: 10634947Abstract: An edge backlight module, a display apparatus and a backlight controlling method thereof are provided. Each light guide plate (LGP) is divided into longitudinal region(s) in the same direction. The LGPs are arranged in a stacked manner. Each two adjacent LGPs are arranged as upper LGP being completely overlapped with the longitudinal region(s) of lower LGP. The longitudinal region overlapped with adjacent upper LGP is defined as a reflecting region. The longitudinal region not overlapped with adjacent upper LGP is defined as an emitting region. Each LGP has one emitting region. Each reflecting film is sandwiched between two adjacent LGPs. Light from a light emitting device is emitted from the emitting region. Combing with lighting control at lateral region(s) separately, an array region is formed. The light emitting device further includes a high saturation light emitter to render an effect with a high dynamic range and high saturation.Type: GrantFiled: November 2, 2017Date of Patent: April 28, 2020Assignee: Acer IncorporatedInventors: Yi-Chang Lai, Chih-Chiang Chen, Hsu-Hsiang Tseng, Ruey-Ching Shyu
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Patent number: 10401908Abstract: An electronic device includes a flexible display panel and a shape memory component. The flexible display panel is driven by the shape memory component, herein when a temperature of the shape memory component is lower than a default temperature range, the shape memory component forms as a first shape, so that the flexible display panel is capable of being located at a first position. When the temperature of the shape memory component is higher than the default temperature range, the shape memory component forms as a second shape, so that the flexible display panel is driven to be moved to a second position.Type: GrantFiled: June 11, 2018Date of Patent: September 3, 2019Assignee: Acer IncorporatedInventors: Hung-Chi Chen, Hsueh-Chih Peng, Yi-Chang Lai, Cheng-Yu Cheng
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Publication number: 20190129474Abstract: An electronic device includes a flexible display panel and a shape memory component. The flexible display panel is driven by the shape memory component, herein when a temperature of the shape memory component is lower than a default temperature range, the shape memory component forms as a first shape, so that the flexible display panel is capable of being located at a first position. When the temperature of the shape memory component is higher than the default temperature range, the shape memory component forms as a second shape, so that the flexible display panel is driven to be moved to a second position.Type: ApplicationFiled: June 11, 2018Publication date: May 2, 2019Applicant: Acer IncorporatedInventors: Hung-Chi Chen, Hsueh-Chih Peng, Yi-Chang Lai, Cheng-Yu Cheng
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Publication number: 20190064588Abstract: An edge backlight module, a display apparatus and a backlight controlling method thereof are provided. Each light guide plate (LGP) is divided into longitudinal region(s) in the same direction. The LGPs are arranged in a stacked manner. Each two adjacent LGPs are arranged as upper LGP being completely overlapped with the longitudinal region(s) of lower LGP. The longitudinal region overlapped with adjacent upper LGP is defined as a reflecting region. The longitudinal region not overlapped with adjacent upper LGP is defined as an emitting region. Each LGP has one emitting region. Each reflecting film is sandwiched between two adjacent LGPs. Light from a light emitting device is emitted from the emitting region. Combing with lighting control at lateral region(s) separately, an array region is formed. The light emitting device further includes a high saturation light emitter to render an effect with a high dynamic range and high saturation.Type: ApplicationFiled: November 2, 2017Publication date: February 28, 2019Applicant: Acer IncorporatedInventors: Yi-Chang Lai, Chih-Chiang Chen, Hsu-Hsiang Tseng, Ruey-Ching Shyu
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Patent number: 8259018Abstract: An antenna device includes a housing having a lower portion for coupling to a non-magnetic option coupler of a vehicle, an insulating member engaged in an upper chamber of the housing, a conductor member engaged into a central bore of the insulating member for engaging with the non-magnetic option coupler, a conductive coupling element having a lower portion engaged into the housing, and a coaxial radiating assembly includes a coaxial radiating device having a central radiating member for connecting to the conductor member, and a peripheral radiating member for connecting to the conductive coupling element, and an insulating element mounted between the central radiating member and the cylindrical radiating member.Type: GrantFiled: May 25, 2010Date of Patent: September 4, 2012Assignee: Joymax Electronics Co., Ltd.Inventors: Yi-Chang Lai, Ying Yu Chiu
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Publication number: 20110291913Abstract: An antenna device includes a housing having a lower portion for coupling to a non-magnetic option coupler of a vehicle, an insulating member engaged in an upper chamber of the housing, a conductor member engaged into a central bore of the insulating member for engaging with the non-magnetic option coupler, a conductive coupling element having a lower portion engaged into the housing, and a coaxial radiating assembly includes a coaxial radiating device having a central radiating member for connecting to the conductor member, and a peripheral radiating member for connecting to the conductive coupling element, and an insulating element mounted between the central radiating member and the cylindrical radiating member.Type: ApplicationFiled: May 25, 2010Publication date: December 1, 2011Inventors: Yi-Chang Lai, Ying Yu Chiu
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Patent number: 7724233Abstract: A driving circuit of a liquid crystal display (LCD) (23) includes a system driver (28), a power supply device (26) and a system control device (25). The power supply device provides a votage to the system driver. The system control device generates a control signal, a data signal, and a backlight driving signal, and applies them to the system driver. The system driver drives an LCD panel (21) and a backlight of the LCD according to the backlight driving signal, the data signal and the control signal. The configuration of the driving circuit is simple.Type: GrantFiled: June 5, 2006Date of Patent: May 25, 2010Assignee: Innolux Display Corp.Inventor: Yi-Chang Lai
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Patent number: 7639230Abstract: A driving circuit of a liquid crystal display (LCD) (23) includes a system driver (28), a power supply device (26) and a system control device (25). The power supply device provides a votage to the system driver. The system control device generates a control signal, a data signal, and a backlight driving signal, and applies them to the system driver. The system driver drives an LCD panel (21) and a backlight of the LCD according to the backlight driving signal, the data signal and the control signal. The configuration of the driving circuit is simple.Type: GrantFiled: June 5, 2006Date of Patent: December 29, 2009Assignee: Innolux Display Corp.Inventor: Yi-Chang Lai
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Publication number: 20080252805Abstract: An exemplary liquid crystal panel includes a display region, and a bonding region adjacent to the display region. The bonding region includes a plurality of conductive terminals, a plurality of conductive fingers respectively provided generally opposite to the conductive terminals, and a plurality of substantially straight conductive leads respectively interconnecting the conductive terminals and the conductive fingers. A distribution of the conductive terminals is nonuniform. A first plurality of the plurality of conductive fingers have different widths from a second plurality of the plurality of conductive fingers. The conductive leads are substantially parallel to each other. A liquid crystal display employing the liquid crystal panel is also provided.Type: ApplicationFiled: April 14, 2008Publication date: October 16, 2008Inventors: Yi-Chang Lai, Tsung-Ping Liao
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Publication number: 20070216621Abstract: An exemplary optically compensated bend liquid crystal display (OCB-mode LCD) (20) has a liquid crystal panel (30), which has a pixel electrode (31) and a common electrode (32); a common voltage supply unit (24) providing a common voltage signal to the common electrode; a gamma circuit (26) providing a data voltage signal to the pixel electrode; a gate driving circuit (22), which has a high-voltage supply circuit (223) providing a high voltage, higher than a max voltage signal of the gamma circuit; and a data signal switching unit (29) connecting with the gamma circuit, the high-voltage supply circuit and the liquid crystal panel. The data signal switching unit can selectively output the voltage signal from the gamma circuit or the high-voltage supply circuit.Type: ApplicationFiled: March 19, 2007Publication date: September 20, 2007Inventors: Yi-Chang Lai, Chien-Jen Chang, Chiu-Lien Yang
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Publication number: 20070146285Abstract: An exemplary voltage adjusting circuit (100) of an LCD panel includes a first input port (1), a second input port (2), a database (3), a voltage adjusting unit (4), a first buffer (6), a second buffer (7), a first output port (8), and a second output port (9). The database includes optimum voltage level therein. The first and second input ports respectively supplies data and common voltages into the database, and the database compares the data and common voltages to the optimum voltage level and outputs an adjusting signal to the voltage adjusting unit according to the result of the comparison. The voltage adjusting unit adjusts the voltage according to the adjusting signal, and outputs adjusted data voltage to the first output port via the first buffer, and outputs adjusted common voltage to the second output port via the second buffer.Type: ApplicationFiled: December 20, 2006Publication date: June 28, 2007Inventor: Yi-Chang Lai
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Publication number: 20070139324Abstract: An exemplary liquid crystal display device (200) includes a transflective liquid crystal display panel (210) having a first substrate (212), a second substrate (214), and a liquid crystal layer (213) disposed between the first and second substrates. The second substrate includes an integrated circuit (28). The integrated circuit includes a source driving circuit (33) and a gamma setting adjusting unit (31 and 32) coupled to the source driving circuit. A method of adjusting a gamma setting of a liquid crystal display device is also provided.Type: ApplicationFiled: December 19, 2006Publication date: June 21, 2007Inventors: Yi-Chang Lai, Chien-Jen Chang, Chiu-Lien Yang
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Publication number: 20060274025Abstract: A driving circuit of a liquid crystal display (LCD) (23) includes a system driver (28), a power supply device (26) and a system control device (25). The power supply device provides a votage to the system driver. The system control device generates a control signal, a data signal, and a backlight driving signal, and applies them to the system driver. The system driver drives an LCD panel (21) and a backlight of the LCD according to the backlight driving signal, the data signal and the control signal. The configuration of the driving circuit is simple.Type: ApplicationFiled: June 5, 2006Publication date: December 7, 2006Inventor: Yi-Chang Lai
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Publication number: 20030210190Abstract: A dipole antenna includes a ground section and a radiation section spaced from each other and respectively connected to signal member and ground member of a coaxial cable. The radiation section includes first and second segments of different lengths which are positioned at different distances from the ground section for respectively receiving/transmitting radio frequency (RF) signals at different frequencies, such as 2.45 GHz and 5.25 GHz. A connection segment connects between the first and second segments and is substantially normal to the first and second segments. An edge of the first segment is connected to a corresponding edge of the ground section. The first and second segments are dimensioned and positioned to receive and transmit RF signals of different frequencies whereby the dipole antenna has a compact configuration that is operative at two frequencies.Type: ApplicationFiled: May 7, 2002Publication date: November 13, 2003Inventor: Yi-Chang Lai
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Patent number: D516063Type: GrantFiled: September 14, 2004Date of Patent: February 28, 2006Inventors: Yi Chang Lai, I Tao Chen, Huei Chi Wu
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Patent number: D525239Type: GrantFiled: August 19, 2003Date of Patent: July 18, 2006Assignee: Nearson Inc.Inventor: Yi-Chang Lai