Patents by Inventor Chueh-An Tsai
Chueh-An Tsai 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: 9697806Abstract: A self-refresh control method for a display system includes receiving a frame from a video source of the display system; storing the frame in a storage module of the display system according to a writing timing sequence signal; accessing data stored in the storage module as a self-refresh frame according to a reading timing sequence, for outputting the self-refresh frame to a display device of the display system; and adjusting the reading timing sequence signal according to the writing timing sequence signal and the reading timing sequence signal.Type: GrantFiled: May 8, 2014Date of Patent: July 4, 2017Assignee: NOVATEK Microelectronics Corp.Inventors: Chia-Hao Lee, Yu-Hsuan Huang, Chueh-An Tsai
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Publication number: 20150325166Abstract: A self-refresh control method for a display system includes receiving a frame from a video source of the display system; storing the frame in a storage module of the display system according to a writing timing sequence signal; accessing data stored in the storage module as a self-refresh frame according to a reading timing sequence, for outputting the self-refresh frame to a display device of the display system; and adjusting the reading timing sequence signal according to the writing timing sequence signal and the reading timing sequence signal.Type: ApplicationFiled: May 8, 2014Publication date: November 12, 2015Applicant: NOVATEK Microelectronics Corp.Inventors: Chia-Hao Lee, Yu-Hsuan Huang, Chueh-An Tsai
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Patent number: 7755596Abstract: A driving device (30) with a light sensor module (32) includes a circuit board (31), and a first light sensor hole (34). The light sensor module is electrically connected to a surface of the circuit board, and includes a chip carrier (320), a potting compound (322), and a light sensor chip (321). The light sensor hole is defined in the circuit board below the light sensor chip. The chip carrier is electrically connected to the circuit board. The potting compound has a top potting compound (322A) and a bottom potting compound (322B) with the chip carrier disposed therebetween. The light sensor chip is electrically connected to the chip carrier and covered with the bottom potting compound.Type: GrantFiled: August 4, 2006Date of Patent: July 13, 2010Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Cheng-Chueh Tsai, Fu-Tsun Shih
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Patent number: 7372217Abstract: A driving device for driving a light source module (22) includes an inverter circuit (21), a signal sensing circuit (23), a microcontroller (24), and a control circuit (25). The inverter circuit converts a received power signal to an alternating current (AC) signal. The signal sensing circuit is connected to the inverter circuit and the light source module, and generating protection signals of the driving device. The microcontroller receives the protection signals output from the signal sensing circuit, and outputs a logic control signal. The control circuit receives the logic control signal and controls the AC signal output from the inverter circuit according to the logic control signal.Type: GrantFiled: July 13, 2006Date of Patent: May 13, 2008Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Cheng-Chueh Tsai, Yi-Hsun Lin
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Patent number: 7274158Abstract: A system for driving a lamp module (13) includes a converter (11), a driving circuit (12), and a pulse width modulation (PWM) controller (14). The lamp module includes a plurality of lamps. The converter converts a received voltage to a direct current (DC) voltage. The driving circuit converts the DC voltage to an alternating current (AC) voltage. The PWM controller is connected between the converter and the lamp module, for regulating the DC voltages outputted from the converter according to current flowing through the lamps of the lamp module. In one embodiment, the system includes a bus inverter controller. The bus inverter controller is connected between the driving circuit and the lamp module, for regulating a working frequency thereof and controlling the AC voltage outputted from the driving circuit when the lamps are turned on. The system has a reduced number of PWM controllers and a relatively low cost.Type: GrantFiled: December 20, 2005Date of Patent: September 25, 2007Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Chi-Hsiung Lee, Yu-Hsiao Chao, Che-Chen Fan Chiang, Cheng-Chueh Tsai, Shian-Nan Lin
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Publication number: 20070210887Abstract: A transformer (10), coupled to a circuit board (20) defining a receiving hole (210), includes a base (110) having a first end portion (110a) and an oppositely disposed second end portion (110b), a bobbin assembly (120) disposed between the first end portion and the second end portion, and a post (140) disposed on the base. The post is received in the receiving hole for positioning the transformer on the circuit board.Type: ApplicationFiled: June 28, 2006Publication date: September 13, 2007Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHENG-CHUEH TSAI, CHU-LUNG CHIEN, YI-MEI LIU, YI-HSUN LIN
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Publication number: 20070200817Abstract: A driving device (30) with a light sensor module (32) includes a circuit board (31), and a first light sensor hole (34). The light sensor module is electrically connected to a surface of the circuit board, and includes a chip carrier (320), a potting compound (322), and a light sensor chip (321). The light sensor hole is defined in the circuit board below the light sensor chip. The chip carrier is electrically connected to the circuit board. The potting compound has a top potting compound (322A) and a bottom potting compound (322B) with the chip carrier disposed therebetween. The light sensor chip is electrically connected to the chip carrier and covered with the bottom potting compound.Type: ApplicationFiled: August 4, 2006Publication date: August 30, 2007Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHENG-CHUEH TSAI, FU-TSUN SHIH
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Publication number: 20070108919Abstract: A driving device for driving a light source module (22) includes an inverter circuit (21), a signal sensing circuit (23), a microcontroller (24), and a control circuit (25). The inverter circuit converts a received power signal to an alternating current (AC) signal. The signal sensing circuit is connected to the inverter circuit and the light source module, and generating protection signals of the driving device. The microcontroller receives the protection signals output from the signal sensing circuit, and outputs a logic control signal. The control circuit receives the logic control signal and controls the AC signal output from the inverter circuit according to the logic control signal.Type: ApplicationFiled: July 13, 2006Publication date: May 17, 2007Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHENG-CHUEH TSAI, YI-HSUN LIN
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Publication number: 20060145637Abstract: A system for driving a lamp module (13) includes a converter (11), a driving circuit (12), and a pulse width modulation (PWM) controller (14). The lamp module includes a plurality of lamps. The converter converts a received voltage to a direct current (DC) voltage. The driving circuit converts the DC voltage to an alternating current (AC) voltage. The PWM controller is connected between the converter and the lamp module, for regulating the DC voltages outputted from the converter according to current flowing through the lamps of the lamp module. In one embodiment, the system includes a bus inverter controller. The bus inverter controller is connected between the driving circuit and the lamp module, for regulating a working frequency thereof and controlling the AC voltage outputted from the driving circuit when the lamps are turned on. The system has a reduced number of PWM controllers and a relatively low cost.Type: ApplicationFiled: December 20, 2005Publication date: July 6, 2006Applicant: HON HAI Precision Industry CO., LTD.Inventors: Chi-Hsiung Lee, Yu-Hsiao Chao, Che-Chen Fan Chiang, Cheng-Chueh Tsai, Shian-Nan Lin