Patents by Inventor Chih-Chiang Cheng
Chih-Chiang Cheng 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).
-
Publication number: 20240153842Abstract: A semiconductor structure includes a die embedded in a molding material, the die having die connectors on a first side; a first redistribution structure at the first side of the die, the first redistribution structure being electrically coupled to the die through the die connectors; a second redistribution structure at a second side of the die opposing the first side; and a thermally conductive material in the second redistribution structure, the die being interposed between the thermally conductive material and the first redistribution structure, the thermally conductive material extending through the second redistribution structure, and the thermally conductive material being electrically isolated.Type: ApplicationFiled: January 4, 2024Publication date: May 9, 2024Inventors: Hao-Jan Pei, Wei-Yu Chen, Chia-Shen Cheng, Chih-Chiang Tsao, Cheng-Ting Chen, Chia-Lun Chang, Chih-Wei Lin, Hsiu-Jen Lin, Ching-Hua Hsieh, Chung-Shi Liu
-
Publication number: 20240105642Abstract: A method of manufacturing a package structure at least includes the following steps. An encapsulant laterally is formed to encapsulate the die and the plurality of through vias. A plurality of first connectors are formed to electrically connect to first surfaces of the plurality of through vias. A warpage control material is formed over the die, wherein the warpage control material is disposed to cover an entire surface of the die. A protection material is formed over the encapsulant and around the plurality of first connectors and the warpage control material. A coefficient of thermal expansion of the protection material is less than a coefficient of thermal expansion of the encapsulant.Type: ApplicationFiled: November 29, 2023Publication date: March 28, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hao-Jan Pei, Ching-Hua Hsieh, Hsiu-Jen Lin, Wei-Yu Chen, Chia-Shen Cheng, Chih-Chiang Tsao, Jen-Jui Yu, Cheng-Shiuan Wong
-
Publication number: 20240088062Abstract: A package structure includes a die, an encapsulant laterally encapsulating the die, a warpage control material disposed over the die, and a protection material disposed over the encapsulant and around the warpage control material. A coefficient of thermal expansion of the protection material is less than a coefficient of thermal expansion of the encapsulant.Type: ApplicationFiled: November 23, 2023Publication date: March 14, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hao-Jan Pei, Ching-Hua Hsieh, Hsiu-Jen Lin, Wei-Yu Chen, Chia-Shen Cheng, Chih-Chiang Tsao, Jen-Jui Yu, Cheng-Shiuan Wong
-
Publication number: 20230171533Abstract: A speaker is provided and includes a first speaker body, a second speaker body, a speaker component, and a sound transmission member. The first speaker body has a first chamber. The second speaker body has a second chamber. The second speaker body is received in the first chamber and defines a resonant cavity in the first chamber. The speaker component is disposed on the second speaker body and includes a supporting member, a magnet, a coil, and a diaphragm. Two ends of the supporting member are respectively inserted into the second chamber and fixed on the second speaker body. The magnet is disposed in the supporting member. The diaphragm is disposed on the supporting member and abuts against the second speaker body. The coil is received in the magnet and is connected to the diaphragm. The sound transmission member is coaxially disposed in the resonant cavity with the speaker component.Type: ApplicationFiled: August 31, 2022Publication date: June 1, 2023Applicant: Lanto Electronic LimitedInventors: Kuan-Chun Liao, Chiao-Fan Huang, Chih-Chiang Cheng, You-Yu Lin, Hui-Yu Wang
-
Publication number: 20200128319Abstract: A speaker apparatus includes an enclosure, a speaker unit, and a bass reinforcement unit. The enclosure includes an inner cavity, where a cavity volume of the inner cavity is in a range of 0.5 milliliter to 1 milliliter, the enclosure has a cavity acoustic compliance value, and the cavity acoustic compliance value is obtained by dividing the cavity volume by a product of air density and a sound velocity squared. The speaker unit includes a diaphragm and a surround, the speaker unit has a speaker acoustic compliance value and an effective sound outlet area, and the speaker acoustic compliance value is a product of a mechanical compliance value of the surround and the effective sound outlet area squared, and a ratio of the speaker acoustic compliance value to the cavity acoustic compliance value is less than or equal to 1. The bass reinforcement unit outputs a low-frequency response frequency.Type: ApplicationFiled: March 19, 2019Publication date: April 23, 2020Applicant: LUXSHARE-ICT CO., LTD.Inventors: Kuan-Chun Liao, Chun-Yuan Chen, Chih-Chiang Cheng, Chiao-Fan Huang
-
Patent number: 10200000Abstract: A handheld electronic, a sound produce system and control method of sound producing thereof are provided. The sound produce system includes a speaker, a feedback unit, a gain unit and a compensation unit. The speaker generates audible sound according to an output audio signal. The feedback unit generates a first detected parameter, wherein the first detected parameter represents a detected excursion. The gain unit receives an input audio signal, and amplifies the input audio signal to generate a gained audio signal according to a gain value. The compensation unit receives the gained audio signal and the first detected parameter, and predicts an excursion of the speaker corresponding to the gained audio signal to generate a predicted excursion parameter, and compensates the gained audio signal to generate the output audio signal according to the first detected parameter and the predicted excursion parameter.Type: GrantFiled: April 26, 2016Date of Patent: February 5, 2019Assignee: HTC CorporationInventors: Chih-Chiang Cheng, Chun-Min Lee, Hann-Shi Tong, Lei Chen, Che-Yi Hsiao, Chin-Kuo Huang
-
Patent number: 9992532Abstract: An audio and video broadcasting apparatus includes a plurality of sound signal capturing devices, an image capturing device, a controller, and a speaker. The sound signal capturing devices capture a plurality of sound signals. The image capturing device obtains a display image. The controller is configured to: divide the display image into a plurality of display regions; establish a correspondence between the disposition positions and relative positions of the display regions; receive a playback setting command of a selected region, and set a playing weight of each of the display regions according to the playback setting command; and adjust a volume playback setting corresponding to the sound signals according to the playing weight of each of the display regions and the correspondence, and generate an output sound signal according to the volume playback setting and the sound signals. The speaker performs a sound playing action.Type: GrantFiled: January 11, 2017Date of Patent: June 5, 2018Assignee: HTC CorporationInventors: Chih-Chiang Cheng, Chun-Min Lee, Hann-Shi Tong, Lei Chen, Chin-Kuo Huang, Hsiu-Po Yang
-
Patent number: 9781529Abstract: An electronic apparatus and a method for activating a specified function are provided. The electronic apparatus includes a speaker, an audio signal processor and an application processor. The audio signal processor senses a variation of an acoustic condition of the speaker. The application processor is used for: generating a logic high or low signal in response to the sensed variation of the acoustic condition; interpreting the logic high or low signal as a control signal; and performing an instruction corresponding to the control signal.Type: GrantFiled: July 9, 2014Date of Patent: October 3, 2017Assignee: HTC CorporationInventors: Hann-Shi Tong, Chih-Chiang Cheng, Yu-Sheng Lee, Lei Chen, Chun-Min Lee
-
Patent number: 9668081Abstract: A response compensation method, an electronic device and a computer recording medium are provided, where the method is adapted to an electronic device having two non-coplanarly disposed speakers and includes the following steps. A stereo audio signal is respectively high-pass filtered and low-pass filtered followed by sound-field processing to generate a modified high-frequency right-channel signal, a modified high-frequency left-channel signal, a modified low-frequency right-channel signal, and a modified low-frequency left-channel signal.Type: GrantFiled: March 23, 2016Date of Patent: May 30, 2017Assignee: HTC CorporationInventors: Lei Chen, Hann-Shi Tong, Chih-Chiang Cheng, Yu-Chieh Lai, Che-Yi Hsiao
-
Patent number: 9621695Abstract: A portable electronic device having a speaker module is provided. The speaker module includes: a speaker unit; a back chamber; an acoustic region coupled between the speaker unit and the back chamber; and a porous material at least partially filling a portion of the front chamber, the back chamber, or the channel, for improving and extending bass performance and relieving a acoustic effect caused by the acoustic region coupling the speaker unit and back chamber. Moreover, the portable electronic device is advantageously able to compensate a resonance degradation caused by the porous material.Type: GrantFiled: September 3, 2015Date of Patent: April 11, 2017Assignee: HTC CORPORATIONInventors: Hann-Shi Tong, Chun-Min Lee, Lei Chen, Yu-Sheng Lee, Chih-Chiang Cheng
-
Patent number: 9614489Abstract: The invention provides one sound producing system including a speaker, a driving circuit and an audio controller. The speaker is used for producing an audible sound. The driving circuit is connected to the speaker. The audio controller is configured to receive an input audio signal and pre-amplify the input audio signal with an amplify gain to obtain a pre-amplified audio signal; operate a multiband dynamic range control on the pre-amplified audio signal to obtain an output audio signal; convert the output audio signal to a driving voltage; provide the driving voltage to the speaker through the driving circuit; detect over the driving circuit to obtain at least one excursion parameter to determine an estimated excursion of the speaker in response to the driving voltage; and adjust the amplify gain according to the estimated excursion.Type: GrantFiled: July 21, 2014Date of Patent: April 4, 2017Assignee: HTC CorporationInventors: Chih-Chiang Cheng, Chun-Min Lee, Hann-Shi Tong
-
Publication number: 20160241960Abstract: A handheld electronic, a sound produce system and control method of sound producing thereof are provided. The sound produce system includes a speaker, a feedback unit, a gain unit and a compensation unit. The speaker generates audible sound according to an output audio signal. The feedback unit generates a first detected parameter, wherein the first detected parameter represents a detected excursion. The gain unit receives an input audio signal, and amplifies the input audio signal to generate a gained audio signal according to a gain value. The compensation unit receives the gained audio signal and the first detected parameter, and predicts an excursion of the speaker corresponding to the gained audio signal to generate a predicted excursion parameter, and compensates the gained audio signal to generate the output audio signal according to the first detected parameter and the predicted excursion parameter.Type: ApplicationFiled: April 26, 2016Publication date: August 18, 2016Inventors: Chih-Chiang Cheng, Chun-Min Lee, Hann-Shi Tong, Lei Chen, Che-Yi Hsiao, Chin-Kuo Huang
-
Publication number: 20150381783Abstract: A portable electronic device having a speaker module is provided. The speaker module includes: a speaker unit; a back chamber; an accoustic region coupled between the speaker unit and the back chamber; and a porous material at least partially filling a portion of the front chamber, the back chamber, or the channel, for improving and extending bass performance and relieving a accoustic effect caused by the accoustic region coupling the speaker unit and back chamber. Moreover, the portable electronic device is advantageously able to compensate a resonance degradation caused by the porous material.Type: ApplicationFiled: September 3, 2015Publication date: December 31, 2015Inventors: Hann-Shi Tong, Chun-Min Lee, Lei Chen, Yu-Sheng Lee, Chih-Chiang Cheng
-
Patent number: 9173020Abstract: A control method of sound producing, sound producing apparatus, and portable apparatus are provided. The control method of sound producing is for a portable device, including the following steps. (a) A first detected parameter indicating a detected excursion of a speaker of the portable device is generated. (b) A second audio signal is generated based on a first audio signal, wherein the second audio signal is generated selectively by compensation according to at least the first detected parameter. (c) A gain value is determined according to at least the first detected parameter and a third audio signal is generated based on the second audio signal according to the gain value.Type: GrantFiled: January 28, 2013Date of Patent: October 27, 2015Assignee: HTC CorporationInventors: Chih-Chiang Cheng, Ting-Wei Sun, Hann-Shi Tong
-
Patent number: 9148719Abstract: A portable electronic device having a speaker module is provided. The speaker module includes: a speaker unit; a back chamber; a channel coupled between the speaker unit and the back chamber; and a porous material filled inside at least a portion of the front chamber, the back chamber, and/or the channel, for improving and extending bass performance and relieving a channel effect caused by the channel. Moreover, the portable electronic device is advantageously able to compensate a resonance degradation caused by the porous material.Type: GrantFiled: March 6, 2013Date of Patent: September 29, 2015Assignee: HTC CORPORATIONInventors: Hann-Shi Tong, Chun-Min Lee, Lei Chen, Yu-Sheng Lee, Chih-Chiang Cheng
-
Patent number: 8964160Abstract: A substrate assembly including a first substrate, a second substrate, a sealant, and a blocking structure is provided. The first substrate has an active area. The sealant is disposed between the first substrate and the second substrate. The sealant assembles the first substrate and the second substrate and separates the first substrate and the second substrate in a cell gap to define a space, wherein the sealant has an injection opening. The blocking structure is disposed on the first substrate and located outside the active area. A distance from the blocking structure to the second substrate is smaller than the cell gap, wherein the blocking structure divides the space into a first area and a second area. The injection opening is merely located inside the first area and the active area is merely located inside the second area.Type: GrantFiled: July 21, 2011Date of Patent: February 24, 2015Assignees: Dongguan Masstop Liquid Crystal Display Co., Ltd., Wintek CorporationInventors: Po-Hsien Wang, Chih-Chiang Cheng
-
Publication number: 20150010168Abstract: The invention provides one sound producing system including a speaker, a driving circuit and an audio controller. The speaker is used for producing an audible sound. The driving circuit is connected to the speaker. The audio controller is configured to receive an input audio signal and pre-amplify the input audio signal with an amplify gain to obtain a pre-amplified audio signal; operate a multiband dynamic range control on the pre-amplified audio signal to obtain an output audio signal; convert the output audio signal to a driving voltage; provide the driving voltage to the speaker through the driving circuit; detect over the driving circuit to obtain at least one excursion parameter to determine an estimated excursion of the speaker in response to the driving voltage; and adjust the amplify gain according to the estimated excursion.Type: ApplicationFiled: July 21, 2014Publication date: January 8, 2015Inventors: Chih-Chiang Cheng, Chun-Min Lee, Hann-Shi Tong
-
Publication number: 20140348336Abstract: An electronic apparatus and a method for activating a specified function are provided. The electronic apparatus includes a speaker, an audio signal processor and an application processor. The audio signal processor senses a variation of an acoustic condition of the speaker. The application processor is used for: generating a logic high or low signal in response to the sensed variation of the acoustic condition; interpreting the logic high or low signal as a control signal; and performing an instruction corresponding to the control signal.Type: ApplicationFiled: July 9, 2014Publication date: November 27, 2014Inventors: Hann-Shi Tong, Chih-Chiang Cheng, Yu-Sheng Lee, Lei Chen, Chun-Min Lee
-
Publication number: 20140254836Abstract: A portable electronic device having a speaker module is provided. The speaker module includes: a speaker unit; a back chamber; a channel coupled between the speaker unit and the back chamber; and a porous material filled inside at least a portion of the front chamber, the back chamber, and/or the channel, for improving and extending bass performance and relieving a channel effect caused by the channel. Moreover, the portable electronic device is advantageously able to compensate a resonance degradation caused by the porous material.Type: ApplicationFiled: March 6, 2013Publication date: September 11, 2014Applicant: HTC CorporationInventors: Hann-Shi TONG, Chun-Min LEE, Lei CHEN, Yu-Sheng LEE, Chih-Chiang CHENG
-
Publication number: 20130307800Abstract: A touch display panel includes a first substrate, a second substrate, a plurality of scan lines and data lines, a plurality of active devices, and an organic light emitting diode pixel array is provided. The first substrate is opposite to the first substrate. The scan lines and the data lines are intersected and disposed on the first substrate. The active devices are disposed on the first substrate, and each active device is electrically connected with the corresponding scan line and data line. The organic light emitting diode pixel array includes a plurality of organic light emitting diode pixel units, and is disposed on the first substrate. Each organic light emitting diode pixel unit includes a first electrode, a second electrode and an organic light emitting layer. At least one of the scan lines, data lines and the second electrodes transmits a touch driving signal or a touch sensing signal.Type: ApplicationFiled: May 16, 2013Publication date: November 21, 2013Applicant: WINTEK CORPORATIONInventors: Chih-Chiang Cheng, Po-Hsien Wang, Chen-Hao Su