WO2017156852A1 - 显示控制电路、显示控制方法和显示装置 - Google Patents
显示控制电路、显示控制方法和显示装置 Download PDFInfo
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- WO2017156852A1 WO2017156852A1 PCT/CN2016/081662 CN2016081662W WO2017156852A1 WO 2017156852 A1 WO2017156852 A1 WO 2017156852A1 CN 2016081662 W CN2016081662 W CN 2016081662W WO 2017156852 A1 WO2017156852 A1 WO 2017156852A1
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- millimeter wave
- display control
- wave signal
- spatial gesture
- signal
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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
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
- G01S7/415—Identification of targets based on measurements of movement associated with the target
-
- 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
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
-
- 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
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04101—2.5D-digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface and also measures the distance of the input means within a short range in the Z direction, possibly with a separate measurement setup
-
- 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
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2354/00—Aspects of interface with display user
Definitions
- the present disclosure relates to the field of display technologies, and in particular, to a display control circuit, a display control method, and a display device.
- the display panel is usually subjected to contactless control using a camera or infrared optical technology.
- a camera or infrared optical technology since the front of the camera or the infrared optical recognition unit cannot be blocked when the user's spatial gesture is recognized by the camera and the infrared optical technology, it is required to provide an opening that is not blocked in front of the outer frame of the display device.
- the non-contact control of the display panel is not accurate.
- the main purpose of the present disclosure is to provide a display control circuit, a display control method, and a display device, which solve the problem that the spatial gesture within a predetermined range around the display panel cannot be accurately detected in the related art, and the front side is not occluded on the display device. Openings affect the design of the problem.
- the present disclosure provides a display control circuit for performing display control on a display panel, the display control circuit including a spatial gesture recognition unit and a display control sheet Yuan, among them,
- the spatial gesture recognition unit includes a millimeter wave signal transceiver module and a spatial gesture detector;
- the millimeter wave signal transceiver module is configured to transmit a first millimeter wave signal and receive the reflected second millimeter wave signal;
- the spatial gesture detector is configured to process and identify the second millimeter wave signal to detect a spatial gesture within a predetermined range around the display panel;
- the display control unit is configured to perform a corresponding control operation on the display panel according to the spatial gesture.
- the display panel is a transparent display panel.
- the spatial gesture detector is further configured to identify at least one of a moving direction, a moving speed, and a moving distance of the spatial gesture;
- the display control unit is specifically configured to perform a corresponding control operation on the display panel according to at least one of a moving direction, a moving speed, and a moving distance of the spatial gesture.
- the millimeter wave signal transceiver module includes a transceiver antenna;
- the spatial gesture detector includes a transceiver front end module and a signal processing module, where
- the transceiver front end module is configured to generate a first millimeter wave signal
- the transceiver antenna is configured to transmit the first millimeter wave signal and receive the reflected second millimeter wave signal;
- the transceiver front-end module is further configured to process the second millimeter wave signal to obtain a corresponding intermediate frequency signal
- the signal processing module is configured to amplify the intermediate frequency signal, and detect a spatial gesture within a predetermined range around the display panel according to the amplified intermediate frequency signal.
- the frequency of the intermediate frequency signal is greater than or equal to 5 kHz and less than or equal to 1 megahertz.
- the transceiver front-end module includes:
- a voltage controlled oscillator for generating the first millimeter wave signal under control of an external modulated signal
- a mixer for mixing the second millimeter wave signal with the local oscillator signal to obtain a mixed signal
- a band pass filter is configured to perform band pass filtering processing on the mixed signal to obtain an intermediate frequency signal.
- the transceiver front-end module further includes: a signal isolator, and the transceiver antenna,
- the voltage controlled oscillator is coupled to the mixer for isolating the first millimeter wave signal and the second millimeter wave signal, and transmitting the first millimeter wave signal from the voltage controlled oscillator to the
- the transceiver antenna is coupled to transmit a second millimeter wave signal from the transceiver antenna to the mixer.
- the signal processing module includes:
- An automatic gain control amplifier for performing automatic gain control amplification on a low noise amplified intermediate frequency signal
- High gain amplifier for high gain amplification of the IF signal after automatic gain control amplification
- a digital signal processor configured to detect a spatial gesture within a predetermined range around the display panel according to the high gain amplified intermediate frequency signal, and identify at least one of a moving direction, a moving speed, and a moving distance of the spatial gesture.
- the predetermined range is a range within 1 meter of the display panel.
- the present disclosure also provides a display control method, including:
- Millimeter wave signal transmitting and receiving step the millimeter wave signal transceiver module transmits the first millimeter wave signal and receives the reflected second millimeter wave signal;
- a spatial gesture detecting step the spatial gesture detector processes and identifies the second millimeter wave signal to detect a spatial gesture within a predetermined range around the display panel;
- Display control step the display control unit performs a corresponding control operation on the display panel according to the spatial gesture.
- the spatial gesture detecting step further includes: the spatial gesture detector recognizing at least one of a moving direction, a moving speed, and a moving distance of the spatial gesture;
- the display control step specifically includes: the display control unit performs a corresponding control operation on the display panel according to at least one of a moving direction, a moving speed, and a moving distance of the spatial gesture.
- the present disclosure also provides a display device including a display panel and the above display control circuit.
- the spatial gesture recognition unit is disposed at an edge or corner position of the display device.
- Display control circuit, display control method and display according to the present disclosure compared with related art The display device adopts a space gesture recognition unit based on millimeter wave radar technology to accurately detect a spatial gesture within a predetermined range around the display panel, because the space gesture recognition unit based on the millimeter wave radar technology can detect the reservation even if it is occluded.
- FIG. 1 is a block diagram showing the structure of a display control circuit according to an embodiment of the present disclosure
- FIG. 2 is a structural block diagram of an embodiment of a spatial gesture recognition unit included in the display control circuit of the present disclosure
- FIG. 3 is a structural block diagram of an embodiment of a transceiver front-end module included in a spatial gesture recognition unit in the display control circuit of the present disclosure
- FIG. 4 is a structural block diagram of another embodiment of a transceiver front-end module included in the spatial gesture recognition unit in the display control circuit of the present disclosure
- FIG. 5 is a structural block diagram of an embodiment of a signal processing module included in a spatial gesture recognition unit in the display control circuit of the present disclosure
- FIG. 6 is a flowchart of a display control method according to an embodiment of the present disclosure.
- the display control circuit is configured to perform display control on the display panel 10 , and the display control circuit includes a spatial gesture recognition unit 11 and a display control unit 12 :
- the spatial gesture recognition unit 11 includes a millimeter wave signal transceiver module 101 and a spatial gesture detector 102;
- the millimeter wave signal transceiver module 101 is configured to transmit a first millimeter wave signal S1 and receive the reflected second millimeter wave signal S2;
- the spatial gesture detector 102 is configured to process and identify the second millimeter wave signal S2 to detect a spatial gesture within a predetermined range around the display panel;
- the display control unit 12 is configured to perform a corresponding control operation on the display panel 10 according to the spatial gesture.
- an input tool eg, a user's hand (including a finger), etc.
- the spatial gesture recognition unit is based on millimeter wave radar technology to detect spatial gestures, and is also capable of detecting multiple spatial gestures simultaneously or sequentially.
- the display control circuit adopts a spatial gesture recognition unit based on millimeter wave radar technology to accurately detect a spatial gesture within a predetermined range around the display panel, because the space gesture recognition unit based on the millimeter wave radar technology is even In the case of being occluded, the user's gesture within the predetermined range can also be detected. Therefore, compared with the related art, the non-contact control of the display panel can be realized without separately providing an opening that is not blocked in front of the display device.
- the display control circuit described in the embodiments of the present disclosure is relatively low in cost and can make the appearance more simple and beautiful. Compared with other optical non-touch modes, the display device described in the embodiments of the present disclosure has stronger anti-interference ability.
- the space gesture recognition unit based on the millimeter wave radar technology included in the display control circuit of the embodiment of the present disclosure may be installed on the edge or each corner of the display device according to actual conditions, and does not need to open the outer frame of the display device separately. Thereby, the design of the display device is more beautiful.
- the spatial gesture recognition unit 11 detects a spatial gesture within a predetermined range around the display panel, for example, may detect a spatial gesture issued by a user within 1 meter of the display panel, but does not Limited.
- the display panel may be a transparent display panel, and the non-contact control of the transparent display panel by using the millimeter wave radar technology may improve the transmittance of the transparent display panel and reduce the backlight consumption. Moreover, the display control of the display panel can be realized without contacting the transparent display panel, and the fouling or pressing damage to the transparent display panel can be reduced.
- the spatial gesture detector may identify at least one of a moving direction, a moving speed, and a moving distance of the spatial gesture, and the display control unit may be in accordance with a moving direction, a moving speed, and a moving distance of the spatial gesture. At least one of the display panels performs corresponding control operations.
- the display control circuit utilizes the millimeter wave radar to accurately track and recognize the close target, and uses the millimeter wave radar technology to track and recognize the spatial gesture, and move the spatial gesture. At least one of the signals such as direction, moving speed, and moving distance is captured, and after the definition process, the user can operate the display panel without contacting the display panel.
- the millimeter wave signal transceiver module may include a transceiver antenna 112; the space gesture detector may include a transceiver front end module 111 and a signal processing module 113, where
- the transceiver front end module 111 is configured to generate a first millimeter wave signal S1;
- the transceiver antenna 112 is configured to transmit the first millimeter wave signal S1, and receive the reflected second millimeter wave signal S2;
- the transceiver front-end module 111 is further configured to process the second millimeter wave signal S2 to obtain a corresponding intermediate frequency signal;
- the signal processing module 113 is configured to amplify the intermediate frequency signal, and detect a spatial gesture within a predetermined range around the display panel according to the amplified intermediate frequency signal.
- the transceiver antenna 112 is used for transmitting and receiving millimeter wave signals
- the transceiver front-end module 111 is a core part of the spatial gesture recognition unit, and is mainly responsible for generating
- the first millimeter wave signal is demodulated and processed by the received second millimeter wave signal to obtain an intermediate frequency signal
- the first millimeter wave signal is a modulated radio frequency signal.
- the signal processing module 113 is configured to amplify the intermediate frequency signal output by the transceiver front-end module 111, and detect a spatial gesture within a predetermined range around the display panel according to the amplified intermediate frequency signal.
- the frequency of the intermediate frequency signal is greater than or equal to 5 KHz (kilohertz) and less than or equal to 1 MHz (megahertz).
- the transceiver front-end module may include:
- the voltage controlled oscillator 31 is configured to generate the first millimeter wave signal S1 under the control of an external modulated signal, and send the first millimeter wave signal S1 to the transceiver antenna 112;
- a mixer 32 configured to mix the second millimeter wave signal S2 from the transceiver antenna 112 with a local oscillation signal to obtain a mixed signal
- a band pass filter 33 is configured to perform band pass filtering processing on the mixed signal to obtain an intermediate frequency signal.
- the voltage controlled oscillator 31 generates a first millimeter wave signal S1 under the control of an external modulation signal, and transmits the first millimeter wave signal S1 to a transmitting and receiving antenna, and the mixer 32 receives the second millimeter.
- the wave signal S2 is mixed with the local oscillation signal, and then subjected to filtering processing by the band pass filter 33 to obtain an intermediate frequency signal.
- the transceiver front-end module may further include:
- a signal isolator 34 coupled to the transceiver antenna 112, the voltage controlled oscillator 31, and the mixer 32, for isolating the first millimeter wave signal S1 and the second millimeter wave signal S2,
- the first millimeter wave signal S1 from the voltage controlled oscillator 31 is transmitted to the transmitting and receiving antenna 112, and the second millimeter wave signal S2 from the transmitting and receiving antenna 112 is transmitted to the mixer 32.
- a signal isolator 34 is added to isolate the transmitted first millimeter wave signal S1 and the received second millimeter wave signal S2 to avoid intermodulation interference.
- the signal processing module may include:
- a low noise preamplifier 51 for performing low noise amplification on the intermediate frequency signal
- a high gain amplifier 53 for performing high gain amplification on the IF signal after the automatic gain control amplification
- the digital signal processor 54 is configured to detect a spatial gesture within a predetermined range around the display panel according to the high gain amplified intermediate frequency signal, and identify at least one of a moving direction, a moving speed, and a moving distance of the spatial gesture.
- the low noise preamplifier 31 can improve the signal to noise ratio of the output, thereby improving the performance design of the signal processing module, and the automatic gain control amplifier 32 can continuously adjust the income signal to improve the signal processing module.
- Signal processing capability; the high gain amplifier performs high gain amplification on the intermediate frequency signal output by the automatic gain control amplifier 52 to satisfy the amplitude requirement of the digital signal processor 54 for the input signal; the digital signal processor 54
- the high-gain amplified intermediate frequency signal from the high-gain amplifier 53 is processed, and at least one of a moving direction, a moving speed, and a moving distance of the spatial gesture is recognized by the design of the model in the software, thereby realizing the display panel control.
- a display device includes a display panel and the display control circuit described above;
- the display control circuit is connected to the display panel for performing display control on the display panel.
- the display control method according to the embodiment of the present disclosure includes:
- Millimeter wave signal transceiving step S1 the millimeter wave signal transceiving module included in the spatial gesture recognition unit transmits the first millimeter wave signal and receives the reflected second millimeter wave signal;
- a spatial gesture detecting step S2 the spatial gesture detector included by the spatial gesture recognition unit processes and identifies the second millimeter wave signal to detect an empty range within a predetermined range around the display panel Gestures; and,
- Display control step S3 The display control unit performs a corresponding control operation on the display panel according to the spatial gesture.
- the display control method adopts a spatial gesture recognition unit based on the millimeter wave radar technology to accurately detect a spatial gesture within a predetermined range around the display panel, because the space gesture recognition unit based on the millimeter wave radar technology is even In the case of being occluded, the user gesture within the predetermined range can also be detected. Therefore, compared with the related art, the non-contact control of the display panel can be realized without separately providing an opening that is not blocked in front of the display panel.
- the spatial gesture detecting step may further include: the spatial gesture detector recognizing at least one of a moving direction, a moving speed, and a moving distance of the spatial gesture;
- the display control step specifically includes: the display control unit performs a corresponding control operation on the display panel according to at least one of a moving direction, a moving speed, and a moving distance of the spatial gesture.
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Abstract
Description
Claims (14)
- 一种显示控制电路,用于对显示面板进行显示控制,所述显示控制电路包括空间手势识别单元和显示控制单元,其中,所述空间手势识别单元包括毫米波信号收发模块和空间手势检测器;所述毫米波信号收发模块用于发射第一毫米波信号并接收反射回来的第二毫米波信号;所述空间手势检测器用于对所述第二毫米波信号进行处理和识别,以检测所述显示面板周围预定范围内的空间手势;以及所述显示控制单元用于根据空间手势对所述显示面板进行相应的控制操作。
- 如权利要求1所述的显示控制电路,其中,所述显示面板是透明显示面板。
- 如权利要求1所述的显示控制电路,其中,所述空间手势检测器识别空间手势的移动方向、移动速度、移动距离中的至少一个;所述显示控制单元具体用于根据空间手势的移动方向、移动速度、移动距离中的至少一个对所述显示面板进行相应的控制操作。
- 如权利要求1至3中任一权利要求所述的显示控制电路,其中,所述毫米波信号收发模块包括收发天线;所述空间手势检测器包括收发前端模块和信号处理模块,其中,所述收发前端模块用于产生第一毫米波信号;所述收发天线用于发射所述第一毫米波信号,并接收反射回来的第二毫米波信号;所述收发前端模块还用于对所述第二毫米波信号进行处理而得到相应的中频信号;以及所述信号处理模块用于对所述中频信号进行放大,并根据放大后的中频信号检测所述显示面板周围预定范围内的空间手势。
- 如权利要求4所述的显示控制电路,其中,所述中频信号的频率大于等于5千赫兹并且小于等于1兆赫兹。
- 如权利要求5所述的显示控制电路,其中,所述收发前端模块包括:压控振荡器,用于在外部调制信号的控制下产生所述第一毫米波信号;混频器,用于将所述第二毫米波信号与本振信号进行混频以得到混频信号;以及带通滤波器,用于对所述混频信号进行带通滤波处理,以得到中频信号。
- 如权利要求6所述的显示控制电路,其中,所述收发前端模块还包括:信号隔离器,分别与所述收发天线、所述压控振荡器和所述混频器连接,用于隔离所述第一毫米波信号和所述第二毫米波信号,将来自所述压控振荡器的第一毫米波信号传送至所述收发天线,并将来自所述收发天线的第二毫米波信号传送至所述混频器。
- 如权利要求7所述的显示控制电路,其中,所述信号处理模块包括:低噪声前置放大器,用于对所述中频信号进行低噪声放大;自动增益控制放大器,用于对低噪声放大后的中频信号进行自动增益控制放大;高增益放大器,用于对自动增益控制放大后的中频信号进行高增益放大;以及数字信号处理器,用于根据高增益放大后的中频信号检测所述显示面板周围预定范围内的空间手势,识别空间手势的移动方向、移动速度、移动距离中的至少一个。
- 如权利要求1所述的显示控制电路,其中所述预定范围为距离所述显示面板1米之内的范围。
- 一种显示控制方法,包括:毫米波信号收发步骤:通过毫米波信号收发模块发射第一毫米波信号并接收反射回来的第二毫米波信号;空间手势检测步骤:通过空间手势检测器对所述第二毫米波信号进行处理和识别,以检测所述显示面板周围预定范围内的空间手势;以及显示控制步骤:通过显示控制单元根据所述空间手势对所述显示面板进行相应的控制操作。
- 如权利要求10所述的显示控制方法,其中,所述空间手势检测步骤 还包括:通过空间手势检测器识别空间手势的移动方向、移动速度、移动距离中的至少一个;所述显示控制步骤具体包括:通过所述显示控制单元根据空间手势的移动方向、移动速度、移动距离中的至少一个对所述显示面板进行相应的控制操作。
- 如权利要求10所述的方法,其中所述预定范围为距离所述显示面板1米之内的范围。
- 一种显示装置,包括显示面板、以及如权利要求1至9中任一权利要求所述的显示控制电路。
- 根据权利要求13所述的显示装置,其中所述空间手势识别单元被设置在所述显示装置的边缘或边角位置处。
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US15/512,490 US10394333B2 (en) | 2016-03-16 | 2016-05-11 | Display control circuit, display control method and display device |
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CN201610150862.1A CN105607745A (zh) | 2016-03-16 | 2016-03-16 | 显示控制电路、显示控制方法和显示装置 |
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US20180373340A1 (en) | 2018-12-27 |
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