Patents by Inventor CHENG-PING LIU
CHENG-PING LIU 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: 20220066258Abstract: A liquid crystal display device includes a display module, a functional layer, and a heating module. The display module has a display surface. The functional layer is disposed at one side of the display surface of the display module. The heating module is disposed corresponding to the display module. The liquid crystal display device can solve the phenomenon of liquid crystal hysteresis caused by low-temperature environments.Type: ApplicationFiled: August 31, 2020Publication date: March 3, 2022Inventors: So Haeng Cho, Sang Jin Kim, Cheng Ping Liu, Yan Fei He
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Patent number: 10852890Abstract: A touch panel includes a substrate, a touch sensing electrode, a peripheral conductive trace, a protective layer, and a conductive layer. The substrate has a display area and a peripheral area. The touch sensing electrode is disposed in the display area. The peripheral conductive trace is disposed in the peripheral area. The touch sensing electrode is electrically connected to the peripheral conductive trace. The touch sensing electrode and the peripheral conductive trace at least include metal nanowires. The protective layer is disposed on the touch sensing electrode, and the conductive layer is disposed on the peripheral conductive trace.Type: GrantFiled: August 23, 2018Date of Patent: December 1, 2020Assignee: TPK Touch Solutions Inc.Inventors: Chen-Yu Liu, Bo-Ren Jian, Cheng-Ping Liu
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Patent number: 10691266Abstract: A touch panel stackup comprises a substrate having a substantially transparent first region and a substantially opaque second region, a sensing electrode detecting a tactile signal, a conductive circuit electrically coupled with the sensing electrode, and a masking element configured on the second region of the substrate, wherein the sensing electrode, the conductive circuit, and the masking element are integrally formed on the substrate.Type: GrantFiled: May 15, 2017Date of Patent: June 23, 2020Assignee: TPK TOUCH SOLUTIONS, INC.Inventors: Chen-Yu Liu, Cheng-Ping Liu
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Patent number: 10504515Abstract: A voice control device includes a microphone module, a voice encoding module, a display and a processing unit. The voice encoding module is electrically connected to the microphone module. The processing unit is electrically connected to the voice encoding module and the display. The microphone module receives a voice signal and transmits the received voice signal to the voice encoding module. One of the voice encoding module and the processing unit analyzes and processes the voice signal to determine a sound source direction of the voice signal and obtains response information according to the voice signal. The processing unit controls the display to rotate to the sound source direction and transmits the response information to the display for displaying the response information.Type: GrantFiled: December 15, 2017Date of Patent: December 10, 2019Assignee: Chiun Mai Communication Systems, Inc.Inventors: Yu-Yang Chih, Ming-Chun Ho, Ming-Fu Tsai, Cheng-Ping Liu, Fu-Bin Wang, Shih-Lun Lin
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Publication number: 20190064968Abstract: A touch panel includes a substrate, a touch sensing electrode, a peripheral conductive trace, a protective layer, and a conductive layer. The substrate has a display area and a peripheral area. The touch sensing electrode is disposed in the display area. The peripheral conductive trace is disposed in the peripheral area. The touch sensing electrode is electrically connected to the peripheral conductive trace. The touch sensing electrode and the peripheral conductive trace at least include metal nanowires. The protective layer is disposed on the touch sensing electrode, and the conductive layer is disposed on the peripheral conductive trace.Type: ApplicationFiled: August 23, 2018Publication date: February 28, 2019Inventors: Chen-Yu Liu, Bo-Ren Jian, Cheng-Ping Liu
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Publication number: 20180174584Abstract: A voice control device includes a microphone module, a voice encoding module, a display and a processing unit. The voice encoding module is electrically connected to the microphone module. The processing unit is electrically connected to the voice encoding module and the display. The microphone module receives a voice signal and transmits the received voice signal to the voice encoding module. One of the voice encoding module and the processing unit analyzes and processes the voice signal to determine a sound source direction of the voice signal and obtains response information according to the voice signal. The processing unit controls the display to rotate to the sound source direction and transmits the response information to the display for displaying the response information.Type: ApplicationFiled: December 15, 2017Publication date: June 21, 2018Inventors: YU-YANG CHIH, MING-CHUN HO, MING-FU TSAI, CHENG-PING LIU, FU-BIN WANG, SHIH-LUN LIN
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Patent number: 9906252Abstract: An electronic device with a Frequency Modulation (FM) antenna includes an earphone jack, an FM chip, a switching unit, and a processing unit. The earphone jack includes a left channel pin, a right channel pin, and a ground pin. The FM chip receives an FM signal and outputs a Receive Signal Strength Indicator (RSSI) value of the FM signal to the processing unit. The processing unit receives the RSSI value, compares the RSSI value with a predetermined value, and controls the switching unit to select the left and right channel pins as a signal receiving point of the FM antenna or select the ground pin as the signal receiving point of the FM antenna according to a result of the comparison.Type: GrantFiled: June 13, 2017Date of Patent: February 27, 2018Assignee: Chiun Mai Communication Systems, Inc.Inventor: Cheng-Ping Liu
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Publication number: 20170366211Abstract: An electronic device with a Frequency Modulation (FM) antenna includes an earphone jack, an FM chip, a switching unit, and a processing unit. The earphone jack includes a left channel pin, a right channel pin, and a ground pin. The FM chip receives an FM signal and outputs a Receive Signal Strength Indicator (RSSI) value of the FM signal to the processing unit. The processing unit receives the RSSI value, compares the RSSI value with a predetermined value, and controls the switching unit to select the left and right channel pins as a signal receiving point of the FM antenna or select the ground pin as the signal receiving point of the FM antenna according to a result of the comparison.Type: ApplicationFiled: June 13, 2017Publication date: December 21, 2017Inventor: CHENG-PING LIU
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Publication number: 20170249034Abstract: A touch panel stackup comprises a substrate having a substantially transparent first region and a substantially opaque second region, a sensing electrode detecting a tactile signal, a conductive circuit electrically coupled with the sensing electrode, and a masking element configured on the second region of the substrate, wherein the sensing electrode, the conductive circuit, and the masking element are integrally formed on the substrate.Type: ApplicationFiled: May 15, 2017Publication date: August 31, 2017Inventors: Chen-Yu Liu, Cheng-Ping Liu
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Patent number: 9652089Abstract: A touch panel stackup comprises a substrate having a substantially transparent first region and a substantially opaque second region, a sensing electrode detecting a tactile signal, a conductive circuit electrically coupled with the sensing electrode, and a masking element configured on the second region of the substrate, wherein the sensing electrode, the conductive circuit, and the masking element are integrally formed on the substrate.Type: GrantFiled: November 9, 2010Date of Patent: May 16, 2017Assignee: TPK TOUCH SOLUTIONS INC.Inventors: Chen-Yu Liu, Cheng-Ping Liu
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Publication number: 20160205485Abstract: In an accessory detection method for an electronic device, a bias voltage is provided to power a chip of an accessory when the accessory is inserted into an audio jack of the electronic device. An initialization command with a preset format is sent to the chip. The electronic device waits for an accessory identifier (AID) of the accessory from the chip. When the electronic device receives the AID of the accessory from the chip, a set of acoustic parameters corresponding to the received AID of the accessory is generated. The method controls the electronic device to apply the generated set of acoustic parameters.Type: ApplicationFiled: December 7, 2015Publication date: July 14, 2016Inventor: CHENG-PING LIU
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Patent number: 9258407Abstract: A portable electronic device includes a display unit, a first audio unit, a second audio unit, a first sensing unit, a second sensing unit, and a controlling unit. The first audio unit includes a first speaker and a first microphone. The second audio unit includes a second speaker and a second microphone. The first sensing unit senses an orientation of the portable electronic device. The second sensing unit senses whether a user is close to one of the first speaker and the second speaker. The controlling unit triggers one of the first audio unit and the second audio unit to output and input audio signals according to the orientation of the portable electronic device and turns off the display unit when the user is close to the one of the first speaker and the second speaker.Type: GrantFiled: August 29, 2014Date of Patent: February 9, 2016Assignee: Chiun Mai Communication Systems, Inc.Inventor: Cheng-Ping Liu
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Publication number: 20150189746Abstract: A prepreg is provided. The prepreg is prepared by immersing a reinforcing material into a resin composition and drying the immersed reinforcing material, wherein the resin composition has a first dielectric constant and comprises a thermosetting resin component, a hardener and a filler. The reinforcing material has a second dielectric constant, and the ratio of the first dielectric constant to the second dielectric constant ranges from 0.8 to 1.05.Type: ApplicationFiled: December 26, 2014Publication date: July 2, 2015Inventors: Chih-Wei Liao, Hsien-Te Chen, Te-Liang Yu, Cheng-Ping Liu
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Publication number: 20150065113Abstract: A portable electronic device includes a display unit, a first audio unit, a second audio unit, a first sensing unit, a second sensing unit, and a controlling unit. The first audio unit includes a first speaker and a first microphone. The second audio unit includes a second speaker and a second microphone. The first sensing unit senses an orientation of the portable electronic device. The second sensing unit senses whether a user is close to one of the first speaker and the second speaker. The controlling unit triggers one of the first audio unit and the second audio unit to output and input audio signals according to the orientation of the portable electronic device and turns off the display unit when the user is close to the one of the first speaker and the second speaker.Type: ApplicationFiled: August 29, 2014Publication date: March 5, 2015Inventor: CHENG-PING LIU
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Publication number: 20140376736Abstract: A control circuit for audio signal outputting of an earphone includes a central processing unit (CPU), an audio codec, an amplifier, and a detecting circuit. The audio codec receives audio signals from the CPU, and decodes the audio signals. The amplifier receives the decoded audio signals from the audio codec, amplifies the decoded audio signals, and outputs the amplified audio signals to the earphone. The CPU controls the detecting circuit to detect an impedance of the earphone, and controls the amplifier to adjust a volume of the audio signal output from the earphone according to the detected impedance of the earphone.Type: ApplicationFiled: August 29, 2013Publication date: December 25, 2014Applicant: Chiun Mai Communication Systems, Inc.Inventor: CHENG-PING LIU
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Publication number: 20140355772Abstract: A method for switching recording modes using an electronic device requires a three-axis acceleration senor and at two microphones. The three-axis accelerometer is activated to detect three-axis acceleration values of the electronic device. A handheld direction of the electronic device is determined according to the detected three-axis acceleration values. The method set a recording software of the electronic device to select one of the recording modes to execute a recording function according to the determined handheld direction. The method further selects the first microphone and/or the second microphone to receive external audio signals according to the selected recording mode.Type: ApplicationFiled: May 22, 2014Publication date: December 4, 2014Applicant: CHIUN MAI COMMUNICATION SYSTEMS, INC.Inventor: CHENG-PING LIU
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Patent number: 8846790Abstract: A resin composition is provided. The resin composition comprises an epoxy resin, a hardener, and a modifier, wherein the modifier is a polymer solution obtainable from the following steps: (a) dissolving an N,O-heterocyclic compound of Formula I or Formula II into a first solvent to form a first reaction solution: (b) heating the first reaction solution to a first temperature to carry out a ring-opening polymerization to provide a solution of ring-opening polymerized product; and (c) cooling the solution of ring-opening polymerized product to a second temperature to substantially terminate the ring-opening polymerization to obtain the polymer solution, wherein, the first solvent is unreactive to the N,O-heterocyclic compound; the first temperature is higher than the softening temperature of the N,O-heterocyclic compound and lower than the boiling point of the first solvent; and the second temperature is lower than the first temperature.Type: GrantFiled: July 26, 2011Date of Patent: September 30, 2014Assignee: Taiwan Union Technology CorporationInventors: Cheng Ping Liu, Tsung Hsien Lin, Hsien Te Chen, Chih Wei Liao
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Publication number: 20140098976Abstract: An exemplary speaker system includes a speaker, an audio amplifier, a detecting resistor, and a control unit. The audio amplifier is connected to the speaker and outputs a working voltage to the speaker. The detecting resistor is electronically connected between the speaker and the audio amplifier. The control unit is connected between the detecting resistor and the audio amplifier. The control unit detects a voltage of the detecting resistor, calculates a real-time power of the speaker, and compares the real-time power with a rated power of the speaker. When the real-time power equals to or exceeds the rated power, the control unit adjusts the working voltage until the real-time power is below the rated power.Type: ApplicationFiled: August 29, 2013Publication date: April 10, 2014Applicant: Chiun Mai Communication Systems, Inc.Inventor: CHENG-PING LIU
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Patent number: 8414783Abstract: A method of forming double-sided patterns in a touch panel circuit is disclosed. A first conductive layer and a second conductive layer are respectively formed on both sides of a substrate. A blocking layer is formed on a top surface of the first conductive layer for blocking ultraviolet (UV) light. A first photoresist layer is formed on a top surface of the blocking layer, and a second photoresist layer is formed on a bottom surface of the second conductive layer. Accordingly, two sides of the substrate may be exposed, developed and etched at the same time, thereby substantially simplifying the process of manufacturing the touch panel circuit.Type: GrantFiled: July 24, 2009Date of Patent: April 9, 2013Assignee: TPK Touch Solutions Inc.Inventors: Chen-Yu Liu, Ching-Yi Wang, Cheng-Ping Liu, Lu-Hsin Li
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Publication number: 20120329912Abstract: A fused filler and method for manufacturing the same are provided. The fused filler comprises about 50 wt % to about 60 wt % SiO2, about 10 wt % to about 20 wt % Al2O3, about 20 wt % to about 30 wt % B2O3 and about 1 wt % to about 5 wt % oxides of IA/IIA metals. The fused filler can be used in a resin composition for preparing prepregs and printed circuit boards.Type: ApplicationFiled: September 8, 2011Publication date: December 27, 2012Applicant: TAIWAN UNION TECHNOLOGY CORPORATIONInventors: Cheng-Ping LIU, Jiun-Jie HUANG, Hsien-Te CHEN, Chih-Wei LIAO