JP7104104B2 - 表示装置 - Google Patents
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- JP7104104B2 JP7104104B2 JP2020115124A JP2020115124A JP7104104B2 JP 7104104 B2 JP7104104 B2 JP 7104104B2 JP 2020115124 A JP2020115124 A JP 2020115124A JP 2020115124 A JP2020115124 A JP 2020115124A JP 7104104 B2 JP7104104 B2 JP 7104104B2
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
- G06F1/1605—Multimedia displays, e.g. with integrated or attached speakers, cameras, microphones
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/203—Cooling means for portable computers, e.g. for laptops
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
- H05K7/20963—Heat transfer by conduction from internal heat source to heat radiating structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
- H04R2440/01—Acoustic transducers using travelling bending waves to generate or detect sound
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
- H04R2440/05—Aspects relating to the positioning and way or means of mounting of exciters to resonant bending wave panels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Thermal Sciences (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Description
Claims (21)
- 表示モジュール;
前記表示モジュールの背面に配置され、前記表示モジュールの背面を保護する背面カバー;
前記背面カバーの背面から第1幅を有して第1深さを有するように陥没した陥没部;
前記背面カバーの前面から前記陥没部まで、前記第1幅よりも小さい第2幅を有し、前記背面カバーの厚さと前記第1深さとの差である第2深さを有するように、貫通した貫通部;および
前記貫通部と前記陥没部との間の段差部に配置された第1圧電振動ユニットを含み、
前記第1圧電振動ユニットは、前記背面カバーの背面から前記背面カバーの前面までの空間内に配置される、表示装置。 - 前記貫通部が形成された前記背面カバーの前面と前記表示モジュールを合着する接着部材をさらに含む請求項1に記載の表示装置。
- 前記第1圧電振動ユニットが、
前記段差部に付着した金属基板、および
前記金属基板の背面に付着した圧電素子を含む請求項1に記載の表示装置。 - 前記第1圧電振動ユニットが、
前記段差部に付着した圧電素子、および
前記圧電素子の背面に付着した金属製基板を含む請求項1に記載の表示装置。 - 前記陥没部の前記第1深さが、前記背面カバーの厚さの半分よりも小さい請求項1に記載の表示装置。
- 前記陥没部の前記第1深さが、前記背面カバーの厚さの半分よりも大きい請求項1に記載の表示装置。
- 前記貫通部によって露出した前記表示モジュールの背面に付着した放熱金属板をさらに含む請求項1に記載の表示装置。
- 前記背面カバーの前面から前記第2幅よりも大きい第3幅を有し、前記第2深さよりも小さい第3深さで陥没した上部陥没部をさらに含む請求項1に記載の表示装置。
- 前記上部陥没部と前記貫通部との間の上部段差部に配置された第2圧電振動ユニットをさらに含む請求項8に記載の表示装置。
- 前記第1圧電振動ユニットが、前記第2圧電振動ユニットと異なる周波数帯域の音の振動を発生する請求項9に記載の表示装置。
- 映像を表示する表示パネルを含む表示モジュール;
前記表示モジュールの背面に配置され、前記表示モジュールの背面を保護する背面カバー;
前記背面カバーの背面に形成された第1陥没部;
前記第1陥没部と前記背面カバーの前面を貫通する貫通孔;および
前記第1陥没部内に配置されて前記貫通孔を介して前記背面カバーに音の振動を提供する振動発生モジュールを含み、
前記振動発生モジュールは、前記背面カバーの背面から前記背面カバーの前面までの空間内に配置される、表示装置。 - 前記第1陥没部の深さが、前記貫通孔の深さよりも大きい請求項11に記載の表示装置。
- 前記第1陥没部の深さが、前記貫通孔の深さよりも小さい請求項11に記載の表示装置。
- 前記振動発生モジュールが、
圧電素子、および
前記圧電素子の前面及び背面のうちの少なくともいずれか一つに付着した金属板をさらに含む請求項11に記載の表示装置。 - 前記貫通孔によって露出した前記表示モジュールの背面に付着した放熱金属板をさらに含む請求項11に記載の表示装置。
- 前記第1陥没部が、
第1幅と、前記背面カバーの厚さよりも小さい第1深さを有し、
前記貫通孔は、
前記第1幅よりも小さい第2幅と、前記背面カバーの厚さから前記第1深さを引いた差に相当する第2深さを有する請求項11に記載の表示装置。 - 前記第2幅よりも大きい第3幅と、前記第2深さよりも小さい第3深さを有し、前記背面カバーの前面に形成された第2陥没部をさらに含み、
前記貫通孔が、
前記第2深さから前記第3深さを差し引いた厚さだけを有する請求項16に記載の表示装置。 - 前記振動発生モジュールが、
前記第1陥没部内に配置された第1圧電振動ユニット、および
前記第2陥没部内に配置された第2圧電振動ユニットを含む請求項17に記載の表示装置。 - 前記第1圧電振動ユニットが、前記第2圧電振動ユニットと異なる周波数帯域の音の振動を発生する請求項18に記載の表示装置。
- 前記第1圧電振動ユニットと前記第2圧電振動ユニットのいずれか一つが、
10kHz~1kHzの間の周波数帯域に該当する音の振動を発生し、
他の一つは、
320Hz~1280Hzの間の周波数帯域に該当する音の振動を発生する請求項19に記載の表示装置。 - 前記振動発生モジュールが、
圧電素子、および
前記圧電素子の背面空間を包み込むエンクロージャーを含む請求項11に記載の表示装置。
Priority Applications (1)
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JP2022109582A JP2022141753A (ja) | 2019-07-04 | 2022-07-07 | 表示装置 |
Applications Claiming Priority (2)
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KR1020190080584A KR20210004326A (ko) | 2019-07-04 | 2019-07-04 | 표시 장치 |
KR10-2019-0080584 | 2019-07-04 |
Related Child Applications (1)
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JP2022109582A Division JP2022141753A (ja) | 2019-07-04 | 2022-07-07 | 表示装置 |
Publications (2)
Publication Number | Publication Date |
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JP2021012369A JP2021012369A (ja) | 2021-02-04 |
JP7104104B2 true JP7104104B2 (ja) | 2022-07-20 |
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JP2020115124A Active JP7104104B2 (ja) | 2019-07-04 | 2020-07-02 | 表示装置 |
JP2022109582A Pending JP2022141753A (ja) | 2019-07-04 | 2022-07-07 | 表示装置 |
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JP2022109582A Pending JP2022141753A (ja) | 2019-07-04 | 2022-07-07 | 表示装置 |
Country Status (5)
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US (2) | US11675561B2 (ja) |
EP (1) | EP3761666A3 (ja) |
JP (2) | JP7104104B2 (ja) |
KR (1) | KR20210004326A (ja) |
CN (6) | CN114845215A (ja) |
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KR20220050671A (ko) * | 2020-10-16 | 2022-04-25 | 엘지디스플레이 주식회사 | 디스플레이 장치 |
WO2022177084A1 (ko) * | 2021-02-19 | 2022-08-25 | 주식회사 나팔 | 음향 액자 디바이스 |
JPWO2022209225A1 (ja) * | 2021-03-31 | 2022-10-06 | ||
CN113419601A (zh) * | 2021-06-10 | 2021-09-21 | 维沃移动通信有限公司 | 电子设备及其控制方法、控制装置 |
KR20230114655A (ko) | 2022-01-25 | 2023-08-01 | 이영철 | 태양광·풍력 겸용 독립형 발전 시스템 및 그 방법 |
KR20240033551A (ko) * | 2022-09-05 | 2024-03-12 | 엘지디스플레이 주식회사 | 장치 |
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2019
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EP3761666A3 (en) | 2021-01-20 |
CN114845215A (zh) | 2022-08-02 |
CN114745638A (zh) | 2022-07-12 |
US20230266938A1 (en) | 2023-08-24 |
KR20210004326A (ko) | 2021-01-13 |
US12019948B2 (en) | 2024-06-25 |
CN114827840A (zh) | 2022-07-29 |
CN112188365B (zh) | 2022-06-07 |
CN114745639A (zh) | 2022-07-12 |
US11675561B2 (en) | 2023-06-13 |
US20210004198A1 (en) | 2021-01-07 |
CN112188365A (zh) | 2021-01-05 |
EP3761666A2 (en) | 2021-01-06 |
CN114827841A (zh) | 2022-07-29 |
JP2022141753A (ja) | 2022-09-29 |
JP2021012369A (ja) | 2021-02-04 |
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