WO2018120746A1 - 显示装置的转动控制方法 - Google Patents

显示装置的转动控制方法 Download PDF

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Publication number
WO2018120746A1
WO2018120746A1 PCT/CN2017/092144 CN2017092144W WO2018120746A1 WO 2018120746 A1 WO2018120746 A1 WO 2018120746A1 CN 2017092144 W CN2017092144 W CN 2017092144W WO 2018120746 A1 WO2018120746 A1 WO 2018120746A1
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WO
WIPO (PCT)
Prior art keywords
user
display panel
rotation
motor
display device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/092144
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English (en)
French (fr)
Inventor
李嘉航
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HKC Co Ltd
Chongqing HKC Optoelectronics Technology Co Ltd
Original Assignee
HKC Co Ltd
Chongqing HKC Optoelectronics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HKC Co Ltd, Chongqing HKC Optoelectronics Technology Co Ltd filed Critical HKC Co Ltd
Priority to US15/556,234 priority Critical patent/US20180240252A1/en
Publication of WO2018120746A1 publication Critical patent/WO2018120746A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • G09G3/03—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes specially adapted for displays having non-planar surfaces, e.g. curved displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/012—Head tracking input arrangements
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/70—Determining position or orientation of objects or cameras
    • G06T7/73—Determining position or orientation of objects or cameras using feature-based methods
    • G06T7/74—Determining position or orientation of objects or cameras using feature-based methods involving reference images or patches
    • 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
    • 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
    • G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • G09G3/2096—Details of the interface to the display terminal specific for a flat panel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
    • H04N5/655—Construction or mounting of chassis, e.g. for varying the elevation of the tube
    • 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 application relates to a display device, and more particularly to a display device and a method of controlling the angle of rotation thereof.
  • curved display devices can not only make larger sizes under the same width, but also provide better viewing effects on curved display devices.
  • curved display devices can not only make larger sizes under the same width, but also provide better viewing effects on curved display devices.
  • VA vertical Alignment
  • IPS In-Plane Switching
  • curved TV has a curved design, which can reduce the distortion of the screen edge and improve the visual sense of presence.
  • an object of the present invention is to provide a method for controlling rotation of a display device, comprising: sensing a user image according to a user position information detecting unit to obtain a user position information; using a rotation
  • the angle calculation component calculates an angle information according to the user position information, and transmits the angle information to a motor control unit; and controls, by the motor control unit, a rotating machine component according to the angle information, the rotation
  • the machine member is pivotally connected to a display panel; and the display unit is rotated by the rotating machine member.
  • the motor control unit is provided with a motor
  • the rotating machine member is provided with a gear
  • the motor is coupled to the gear
  • the motor control unit is provided with a turning motor
  • the rotating machine member is a rotating shaft
  • the rotating motor is pivotally connected to the rotating shaft
  • the rotating shaft is pivotally connected to the display panel.
  • the angle information is an angular position at which the user is offset from a center plane of the display panel.
  • the motor control unit After receiving the angle information provided by the rotation angle calculation component, the motor control unit converts the angle information into a relative rotational physical quantity, and controls the rotation mechanism according to the relative rotational physical quantity. Pieces.
  • the user location information detecting unit includes a signal processor that analyzes a distance of the user from a center of the display panel.
  • a further object of the present application is to provide a display device, comprising: a display panel; a user position information detecting unit, and an image sensor electrically coupled to the motor control unit for sensing a user image
  • the angle adjustment module is connected to the display panel for adjusting the rotation angle of the display panel according to the user position information.
  • a further object of the present application is to provide a display device, comprising: a display panel; a user position information detecting unit, and an image sensor electrically coupled to the motor control unit for sensing a user image Obtaining a user location information, wherein the user location information detecting unit includes a rotation angle calculation component for automatically analyzing an angle information, where the angle information is offset by the user from the display panel An angular position of the center plane; and an angle adjustment module connected to the display panel for adjusting a rotation angle of the display panel according to the user position information, wherein the angle adjustment module comprises: a rotation control mechanism a unit having a gear; and a motor control unit having a motor coupled to the gear.
  • the motor control unit converts the angle information into a relative rotational physical quantity after receiving the angle information provided by the rotation angle calculation component, and controls the motor according to the relative rotational physical quantity.
  • a further object of the present application is to provide a curved display device comprising: a curved display panel; and an angle adjustment module coupled to the curved display panel for adjusting a rotation angle of the display panel.
  • a further object of the present invention is to provide a method for intelligently controlling the rotation angle of a curved display device, comprising: providing the curved display device; and sensing position information of an object image according to the user position information detecting unit to generate a control signal Controlling the rotation of the motor of the motor control unit according to the control signal; and simultaneously controlling the rotation angle of the display panel by the degree of rotation of the rotation control mechanism unit.
  • the display panel includes: a cover plate having a first curved surface; and a back plate disposed opposite to the cover plate and having a second curved surface.
  • the display panel further includes a liquid crystal display panel disposed between the back plate and the cover plate.
  • the angle adjustment module includes: a rotation control mechanism unit having a gear; a motor control unit having a motor, the motor connecting the gear; and a user position information detection
  • the measuring unit has a charge coupled component electrically coupled to the motor control unit for sensing an image of an object.
  • the motor is a stepper motor.
  • the user position information detecting unit includes a rotation angle calculating component for automatically analyzing an angular position of a center plane of the display offset by the user.
  • the user location information detecting unit further includes a signal processor that analyzes a distance of the user from the center of the display.
  • the method of controlling the rotation angle of the display panel by the rotation degree of the rotation control mechanism unit at the same time includes: connecting the rotation control mechanism unit to the a back plate of the display panel; the second curved surface of the back plate is adjusted by the rotation of the gear; and the rotation angle of the second curved surface is adjusted to adjust the rotation angle of the first curved surface of the cover plate.
  • the method is that the motor is a stepping motor.
  • the user location information detecting unit may be a sensing chip or a sensor.
  • the display panel may be a curved display panel. In some embodiments of the present application, the display panel may be a flat display panel.
  • the application can automatically adjust the control method of the rotation angle of the display according to the change of the position of the user, thereby adjusting the rotation angle of the display device, thereby improving the image quality of the observer.
  • Figure 1a is a schematic diagram of an exemplary television perspective.
  • Figure 1b is a schematic diagram of exemplary vertical and horizontal chromatic aberrations.
  • Figure 2a is a schematic diagram of an exemplary pixel gamma curve.
  • Figure 2b is a schematic diagram of an exemplary voltage-controlled pixel gamma curve.
  • FIG. 3 is a schematic diagram showing the relationship between different viewing angles of an exemplary user and a different distance from the display.
  • FIG. 4 is a schematic diagram showing another exemplary user viewing different angles of view of the display and different distances from the display.
  • FIG. 5 is a schematic diagram of a display device according to an embodiment of the present application.
  • FIG. 6 is a flow chart of a method for controlling a rotation angle of a display device according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a user location information detecting unit for detecting a user location according to an embodiment of the present application.
  • FIG. 8 is a schematic diagram of a display device according to another embodiment of the present application.
  • Fig. 9 is a schematic view showing the operation of the rotation control mechanism unit according to an embodiment of the present application.
  • FIG. 10 is a schematic diagram of the operation of the display device according to an embodiment of the present application.
  • FIG. 11 is a schematic diagram of a display device according to an embodiment of the present application.
  • the word “comprising” is to be understood to include the component, but does not exclude any other component.
  • “on” means located above or below the target component, and does not mean that it must be on the top based on the direction of gravity.
  • the display device of the present application comprises a liquid crystal display panel and a backlight module, which are oppositely disposed.
  • the liquid crystal display panel mainly comprises a color filter substrate, a thin film transistor substrate and a liquid crystal layer interposed between the two substrates.
  • the color filter substrate and the thin film transistor substrate and the liquid crystal layer can form a plurality of pixel units arranged in an array.
  • the backlight module emits light through the liquid crystal display panel and displays an image through each pixel unit of the liquid crystal display panel to form an image.
  • the liquid crystal display panel of the present application may be a curved display panel, and the display device of the present application may also be a curved display device.
  • the display panel of the present application may be a flat display panel, that is, a display panel that is not curved.
  • the display panel of the present application can be applied to various displays, such as a liquid crystal display (LCD), an organic electroluminescence display (OEL), and an organic light emitting diode.
  • Display Organic Light Emission Diode Display; OLED), Light Emission Diode Display (LED), Plasma Display Panel (PDP), Field Emission Display, Carbon Nanotube Display, Electronics Ink (E-ink) display, Interferometric Modulator Displays, MEMS displays using Time Multiplexed Optical Shutter (TMOS) technology, or Electrochromic Display (ECD) technology Display, etc.
  • OLED Organic Light Emission Diode Display
  • LED Light Emission Diode Display
  • PDP Plasma Display Panel
  • Field Emission Display Carbon Nanotube Display
  • E-ink Electronics Ink
  • Interferometric Modulator Displays MEMS displays using Time Multiplexed Optical Shutter (TMOS) technology
  • ECD Electrochromic Display
  • a Curved Display is a display with a curved display surface.
  • the distance between the viewer's eyes and the various positions of the curved display is approximately equal, and the viewer can view the view at a right angle regardless of the displayed image in the central or left and right edge regions.
  • curved displays do not cause problems such as brightness deviation and color deviation when viewed from a large viewing angle.
  • the curved display has a stereoscopic visual effect. Therefore, curved displays have become highly regarded display products.
  • the curved display is formed by bending the external force of the flat display panel, a relative positional deviation between the two substrates causes a light leakage problem, which affects the display quality of the curved display.
  • FIG. 1a is a schematic diagram of an exemplary television viewing angle
  • FIG. 1b is a schematic diagram of exemplary vertical and horizontal chromatic aberrations.
  • VA Vertical Alignment
  • IPS In-Plane Switching
  • TV has a certain horizontal color difference 120 and a vertical color difference 122 from the normal angle 102 of the central angle of view and the horizontal angle 104 of the central angle of view. Quality is greater with the perspective and the quality is worse.
  • FIG. 2a is a schematic diagram of an exemplary pixel gamma curve
  • FIG. 2b is a schematic diagram of an exemplary voltage controlled pixel gamma curve.
  • the conventional upper planar liquid crystal display improves the viewing angle by dividing one pixel into two sub-pixels, namely sub-pixel A and sub-pixel B, and using voltage to control the gamma of sub-pixel A.
  • the curve 222 and the gamma curve 224 of the sub-pixel B combine the gamma curve 222 of the sub-pixel A and the gamma curve 224 of the sub-pixel B into a gamma curve 230 to approximate the ideal gamma curve 210, thereby compensating for the chromatic aberration of the improved side viewing angle, which The method is called the compensation method of spatial pixels.
  • FIG. 3 is a schematic diagram showing the relationship between the different viewing angles of the display device 310 and the different distances from the display 310 by the exemplary user 300.
  • the distance from the center of the display screen of the flat panel display to the user is not equal to the distance from the two sides of the display screen to the user, thereby causing distortion of the image viewed by the user. Therefore, a curved display 310 has been proposed.
  • the image viewed by the user 300 can be more realistic and simultaneously Reduce viewing fatigue.
  • another method for improving the quality of the viewing angle is to adopt the design method of the curved display, that is, to calculate the corresponding display curvature for the set observation distances D1, D2, and D3, generally the curvature of the display is about R2000.
  • the TV is designed around the R4000.
  • FIG. 3 it can be seen that under the appropriate curvature and the observation distances D1, D2, and D3, the respective viewing angles of the display 310 are consistent with the central positive viewing angle, thereby improving the image quality deterioration caused by the different viewing angles of the screen.
  • FIG. 4 is a schematic diagram showing another exemplary user 401, 402, 403 viewing the display 405 at different viewing angles and different distances from the display 405.
  • the conventional curved display 405 is designed for the single observer 402 at the coordinate position (ie, the center position) of the central axis, but when viewing the television 405, there is usually not necessarily only one observer 401, 402, 403. And it is not necessarily observed at the center position, as shown in Figure 4. Therefore, the conditions of the curved television 405 optimal viewing angles 410, 420 are easily different depending on the positions of the observers 401, 402, and 403, and the optimum image quality cannot be obtained.
  • FIG. 5 is a schematic diagram of a curved display device 500 according to an embodiment of the present application.
  • a curved display device 500 includes a display panel 510 and an angle adjustment module 540 .
  • the display panel 510 includes: a cover plate 511 having a first curved surface 512; and a back plate 515 disposed opposite to the cover plate 511, having a second curved surface 516; and a liquid crystal display panel 513 Between the back plate 515 and the cover plate 511.
  • the angle adjustment module 540 is connected to the display panel 510 for adjusting the rotation angle of the display panel 510, and includes: a rotation control mechanism unit 520 having a gear 521; and a motor control unit 530 having A motor 531 is coupled to the gear 521.
  • the motor 531 of the present application is a stepper motor.
  • FIG. 6 is a flowchart of a method for controlling a rotation angle of a curved surface display device 500 according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a user position information detecting unit 502 for detecting user positions 701 and 702 according to an embodiment of the present application.
  • 8 is a schematic diagram of a curved display device 500 according to another embodiment of the present application.
  • a curved display device 500 includes a display panel 510 and an angle adjustment module 540 .
  • the display panel 510 includes: a cover plate 511 having a first curved surface 512; and a back plate 515 disposed opposite to the cover plate 511, having a second curved surface 516; and a liquid crystal display panel 513 Between the back plate 515 and the cover plate 511.
  • the angle adjustment module 540 is connected to the display panel 510 for adjusting the rotation angle of the display panel 510, and includes: a rotation control mechanism unit 520 having a gear 521; a motor control unit 530 having a The motor 531 is connected to the gear 521; and a user position information detecting unit 502 has a charge coupling component 505 electrically coupled to the motor control unit 530 for sensing an object image.
  • the user location information detecting unit 502 of the present application further includes a signal processor that analyzes the distance d2 of the user 701, 702 from the center of the display.
  • the user location information detecting unit 502 of the present application may preload a preset distance d between the display plane 505 and the user 701, and a distance d1 between the display plane 505 and the user 702.
  • the motor 531 of the present application is a stepper motor.
  • the user location information detecting unit 502 of the present application may be a sensing chip or a sensor.
  • a method for controlling a rotation angle of a display device 500 includes the following process: providing the curved display device 500; S610: detecting according to the user location information The measuring unit 502 senses the position information of an object image to generate a control signal; S620: calculates a rotation angle according to the control signal; S630: controls the motor 531 of the motor control unit 530 to rotate; and S640: simultaneously by the The rotation mechanism unit 520 controls the rotation angle of the flexible display module 510.
  • the above methods may be implemented by a processor in a computing device, such as by running an application.
  • a processor in a computing device
  • the above methods are not required to be performed in the exact order as illustrated; and a plurality of similar blocks can be performed in parallel rather than sequentially; Elements are referred to in the text as "blocks" rather than "steps.”
  • the above method can also be implemented on variations of computing devices.
  • the method of the present invention can be implemented in a display device.
  • the method of the present invention can also be implemented in similar devices or systems having similar components to the display device but disposed in different configurations.
  • the method of the present application is controlled at the same time by the degree of rotation of the rotation control mechanism unit 520.
  • the step of rotating the display panel 510 includes: connecting the back plate 515 of the display panel 510 with the rotation control mechanism unit 520; adjusting the second of the back plate 515 by the rotation of the gear 521
  • the curved surface 516 adjusts the rotation angle of the second curved surface 516 to cause the rotation angle of the first curved surface 512 of the cover plate 511 to be adjusted.
  • the motor 531 is a stepper motor in the method described herein.
  • the curvature calculation unit 502 can be a sensing chip or a sensor.
  • FIG. 9 is a schematic diagram of the operation of the rotation control mechanism unit 520 according to an embodiment of the present invention
  • FIG. 10 is a schematic diagram of the operation of the display device 500 according to an embodiment of the present application.
  • a display device 500 includes a display panel 510 and an angle adjustment module 540 .
  • the display panel 510 includes: a cover plate 511 having a first curved surface 512; and a back plate 515 disposed opposite to the cover plate 511, having a second curved surface 516; and a liquid crystal display panel 513 Between the back plate 515 and the cover plate 511.
  • the angle adjustment module 540 is connected to the display panel 510 for adjusting the rotation angle of the display panel 510, and includes: a rotation control mechanism unit 520 having a gear 521; a motor control unit 530 having a The motor 531 is connected to the gear 521; and a user position information detecting unit 502 has a charge coupling component 505 electrically coupled to the motor control unit 530 for sensing an object image.
  • the user position information detecting unit 502 of the present application includes a rotation angle calculating component 503 electrically connected to the motor control unit 530 through the transmission interface to control the rotation angle ⁇ required by the motor 531.
  • FIG. 11 is a schematic diagram of a display device according to an embodiment of the present application.
  • the motor control unit 530 may be provided with a rotation motor 532, and the rotating machine member may be or include a rotating shaft 523, and the rotating motor 532 is pivotally connected to the rotating shaft 523.
  • the display panel 510 is pivotally connected to the display panel 510.
  • the rotation angle calculation component 503 can calculate an angle information according to the user position information, and transmit the angle information to the motor control unit 530, and the motor control unit 530 can use the angle information according to the angle information.
  • the display panel 510 can be controlled to rotate.
  • the application can automatically adjust the control method of the rotation angle of the display according to the change of the position of the user, thereby adjusting the rotation angle of the curved display device, thereby improving the image quality of the observer.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

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  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mechanical Engineering (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

一种显示装置（500）的转动控制方法，包括：依据一用户位置信息侦测单元（502）来感测一用户影像，以取得一用户位置信息；利用一旋转角度计算组件（503）依据用户位置信息来计算得到一角度信息，并将角度信息传送至一马达控制单元（530）；利用马达控制单元（530）依据角度信息来控制一旋转机构件，旋转机构件枢接于一显示面板（510）；以及利用旋转机构件来转动显示面板（510）。

Description

显示装置的转动控制方法 技术领域
本申请涉及一种显示装置，特别是涉及一种显示装置及控制其旋转角度的方法。
背景技术
随着显示技术的发展，除了尺寸与画质上的改良外，在显示设备的外观上亦有所改变，像是曲面显示设备。相较于平面式的显示设备，曲面显示设备不仅可在同样宽度下制成更大的尺寸，曲面显示设备还可提供较好的观赏效果。以平面电视和曲面电视为例，观赏者视线自正对平面电视屏幕中心朝两外侧移动时，往往会发现平面电视边缘部份的视觉感受较差。尤其是传统平面液晶显示器(不论是垂直配向(Vertical Alignment，VA)型，或是平面转换(In-Plane Switching，IPS)型)电视在大视角的观看上普遍存在与中心视角一定的色差，使得画面品质随着视角越大，品质越差。反观曲面电视具有弧形设计，因而可减少屏幕边缘的画面失真度，同时提高视觉上的临场感。
发明内容
为了解决上述技术问题，本申请的目的在于，提供一种显示装置的转动控制方法，其包括：依据一用户位置信息侦测单元来感测一用户影像，以取得一用户位置信息；利用一旋转角度计算组件依据所述用户位置信息来计算得到一角度信息，并将所述角度信息传送至一马达控制单元；利用所述马达控制单元依据所述角度信息来控制一旋转机构件，所述旋转机构件枢接于一显示面板；以及利用所述旋转机构件来转动所述显示面板。
在一些实施例中，所述马达控制单元设有一马达，所述旋转机构件设有齿轮，所述马达连接所述齿轮。
在一些实施例中，所述马达控制单元设有一转动马达，所述旋转机构件是一转动轴，所述转动马达枢接所述转动轴，所述转动轴枢接于所述显示面板。
在一些实施例中，所述角度信息是所述使用者所偏移所述显示面板中心平面的角度位置。
在一些实施例中，所述马达控制单元在接受所述旋转角度计算组件所提供的角度信息后，将所述角度信息转化成一相对旋转物理量，并依据所述相对旋转物理量来控制所述旋转机构件。
在一些实施例中，所述用户位置信息侦测单元包括一讯号处理器，分析所述使用者偏离所述显示面板的中心的距离。
本申请的又一目的是提出一种显示装置，其包括：显示面板；用户位置信息侦测单元，设有一影像感测器，电性耦接所述马达控制单元，用以感测一用户影像，以取得一用户位置信息；以及角度调整模组，连接于所述显示面板，用以依据所述用户位置信息来调整所述显示面板的旋转角度。
本申请的又一目的是提出一种显示装置，其包括：显示面板；用户位置信息侦测单元，设有一影像感测器，电性耦接所述马达控制单元，用以感测一用户影像，以取得一用户位置信息，其中所述用户位置信息侦测单元包括一旋转角度计算组件，用以自动分析出一角度信息，所述角度信息是所述使用者所偏移所述显示面板的中心平面的角度位置；以及角度调整模组，连接于所述显示面板，用以依据所述用户位置信息来调整所述显示面板的旋转角度，其中所述角度调整模组包括：一旋转控制机构单元，具有一齿轮；以及一马达控制单元，具有一马达，所述马达连接所述齿轮。其中，所述马达控制单元在接受所述旋转角度计算组件所提供的角度信息后，将所述角度信息转化成一相对旋转物理量，并依据所述相对旋转物理量来控制所述马达。
本申请的又一目的是提出一种曲面显示装置，包括：一曲面显示面板；以及一角度调整模组，连接于所述曲面显示面板，用以调整所述显示面板的旋转角度。
本申请的目的及解决其技术问题还可采用以下技术措施进一步实现。
本申请又一目的一种智能型控制曲面显示装置旋转角度的方法，包括：提供所述的曲面显示装置；依据所述用户位置信息侦测单元感测一物体影像的位置信息，产生一控制讯号；依据所述控制讯号，控制所述马达控制单元的马达转动；以及同时藉由所述旋转控制机构单元的转动程度，控制所述显示面板的旋转角度。
在本申请的一实施例中，所述显示面板包括：一盖板，具有第一曲面；以及一背板，与所述盖板相对设置，具有第二曲面。
在本申请的一实施例中，所述显示面板更包括一液晶显示面板，设置所述背板及所述盖板之间。
在本申请的一实施例中，所述角度调整模组包括：一旋转控制机构单元，具有一齿轮；一马达控制单元，具有一马达，所述马达连接所述齿轮；以及一用户位置信息侦测单元，具有一电荷耦合组件，电性耦接所述马达控制单元，用以感测一物体影像。
在本申请的一实施例中，所述马达为一步进马达。
在本申请的一实施例中，所述用户位置信息侦测单元包括一旋转角度计算组件，用以自动分析出使用者所偏移显示器中心平面的角度位置。
在本申请的一实施例中，所述用户位置信息侦测单元更包括一讯号处理器，分析用户偏离显示器中心的距离。
在本申请的一实施例中，所述的方法，在同时藉由所述旋转控制机构单元的转动程度，控制所述显示面板的旋转角度的步骤包括：利用所述旋转控制机构单元连接所述显示面板的背板；在藉由所述齿轮的转动因而调整所述背板的第二曲面；进行第二曲面的旋转角度调整而造成所述盖板的第一曲面的旋转角度跟着调整。
在本申请的一实施例中，所述的方法，所述马达为一步进马达。
在本申请的一实施例中，所述的方法，所述用户位置信息侦测单元可为一感测芯片或传感器。
在本申请的一些实施例中，显示面板可以是曲面显示面板。在本申请的一些实施例中，显示面板可以是平面显示面板。
有益效果
本申请可依照用户位置变更，自动调整显示器旋转角度的控制方法，因而调整显示装置的旋转角度，进而可改善观测者大视角画质。
附图说明
图1a是范例性电视视角示意图。
图1b是范例性垂直与水平色差示意图。
图2a是范例性画素gamma曲线示意图。
图2b是范例性利用电压控制画素gamma曲线示意图。
图3是范例性用户观看显示器不同视角与跟显示器不同距离关系示意图。
图4是另一范例性用户观看显示器不同视角与跟显示器不同距离关系示意图。
图5是本申请一实施例的显示装置示意图。
图6是本申请一实施例的控制显示装置旋转角度的方法流程图。
图7是本申请一实施例的具有用户位置信息侦测单元用来侦测用户位置示意图。
图8是本申请另一实施例的显示装置示意图。
图9是本申请一实施例的旋转控制机构单元的作动示意图。
图10是本申请一实施例的显示装置作动示意图。
图11是本申请一实施例的显示装置的示意图。
具体实施方式
以下各实施例的说明是参考附加的图式，用以例示本申请可用以实施的特定实施例。本申请所提到的方向用语，例如「上」、「下」、「前」、「后」、「左」、「右」、「内」、「外」、「侧面」等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本申请，而非用以限制本申请。
附图和说明被认为在本质上是示出性的，而不是限制性的。在图中，结构相似的单元是以相同标号表示。另外，为了理解和便于描述，附图中示出的每个组件的尺寸和厚度是任意示出的，但是本申请不限于此。
在附图中，为了清晰起见，夸大了层、膜、面板、区域等的厚度。在附图中，为了理解和便于描述，夸大了一些层和区域的厚度。将理解的是，当例如层、膜、区域或基底的组件被称作“在” 另一组件“上”时，所述组件可以直接在所述另一组件上，或者也可以存在中间组件。
另外，在说明书中，除非明确地描述为相反的，否则词语“包括”将被理解为意指包括所述组件，但是不排除任何其它组件。此外，在说明书中，“在......上”意指位于目标组件上方或者下方，而不意指必须位于基于重力方向的顶部上。
为更进一步阐述本申请为达成预定公开目的所采取的技术手段及功效，以下结合附图及较佳实施例，对依据本申请提出一种显示装置的转动控制方法，其具体实施方式、结构、特征及其功效，详细说明如后。
本申请的显示设备包含一液晶显示面板以及一背光模块，两者相对设置。液晶显示面板主要包含一彩色滤光基板、一薄膜晶体管基板以及一夹设于两基板之间的液晶层，彩色滤光基板及薄膜晶体管基板与液晶层可形成多个数组配置的画素单元。背光模块可发出光线穿过液晶显示面板，并经由液晶显示面板各画素单元显示色彩而形成一影像。
在一实施例中，本申请的液晶显示面板可为曲面型显示面板，且本申请的显示设备亦可为曲面型显示装置。
在一些实施例中，本申请的显示面板可为平面型显示面板，亦即没有弯曲的显示面板。
在一些实施例中，本申请的显示面板可以应用于各种不同的显示器上，例如：液晶显示器(Liquid Crystal Display；LCD)、有机电致发光显示器(Organic Electro Luminescence Display；OEL)、有机发光二极管显示器(Organic Light Emission Diode Display；OLED)、发光二极管显示器(Light Emission Diode Display；LED)、等离子体显示面板(Plasma Display Panel；PDP)、场放射显示器(Field Emission Display)、纳米碳管显示器、电子墨水(E-ink)显示器、干涉调控显示器(Interferometric Modulator Displays)、使用时序多任务光学快门(Time Multiplexed Optical Shutter，TMOS)技术的微机电显示器或使用电致变色显示(Electrochromic Display，ECD)技术的显示器等。
曲面显示器(Curved Display)为一种具有弯曲显示面的显示器。在观看曲面显示器时，观赏者的眼睛与曲面显示器的各个位置的距离大概是相等的，且不论是中央区或左右边缘区所显示的画面，观赏者都可以接近直角的视角观看，因此相较于平面显示器，曲面显示器不会产生大视角观看时的亮度偏差与颜色偏差等问题。此外，曲面显示器具有类似立体的视觉效果。因此，曲面显示器已成为受到高度瞩目的显示产品。然而，由于曲面显示器为将平面显示面板以外力弯曲后所形成，因此两片基板之间会而产生相对位置偏差而导致漏光问题，而影响曲面显示器的显示品质。
图1a为范例性电视视角示意图及图1b为范例性垂直与水平色差示意图。请参照图1a及图1b，目前越来越多的电视采用曲面方式设计，主要的原因不仅仅在于新颖的外观设计，在电视画质的表现上也有突出的表现，尤其是传统平面液晶显示器100不论是垂直配向(Vertical Alignment，VA)型， 或是平面转换(In-Plane Switching，IPS)型电视在大视角的观看上普遍存在与中心视角的法向角度102及中心视角的水平角度104有一定的水平色差120、垂直色差122，使得画面品质随着视角越大，品质越差。
图2a为范例性画素gamma曲线示意图及图2b为范例性利用电压控制画素gamma曲线示意图。请参照图2a及图2b，传统上平面液晶显示器改善视角的方式，是藉由将一个画素，分割成两个子画素，即为子画素A以及子画素B，并利用电压控制子画素A的gamma曲线222以及子画素B的gamma曲线224，将子画素A的gamma曲线222以及子画素B的gamma曲线224合并成gamma曲线230以接近理想的gamma曲线210，因而来补偿改善侧视角的色差，这方法称为空间画素的补偿方法。
图3为范例性用户300观看显示器310不同视角与跟显示器310不同距离关系示意图。请参照图3，在用户观看平面显示器时，平面显示器的显示画面中央到用户的距离不等于显示画面的二侧到使用者的距离，从而造成用户观看到的影像失真。因此，有人提出曲面显示器310。使用者300观看曲面显示器310时，由于曲面显示器310的显示画面中央到用户300的距离接近曲面显示器310的显示画面二侧到用户的距离，因此用户300观看到的影像可更加拟真，并同时减少观看疲劳感。因此，另一种改善视角画质的方法是采用曲面显示器的设计方式，即针对设定好的观测距离D1、D2、D3，计算出相对应的显示器曲率，一般而言显示器的曲率为R2000左右，电视机则设计在R4000左右。示意图如图3所示，可以看出在适当的曲率以及观测距离D1、D2、D3下，显示器310的各个视角与中心正视角是一致的，因而改善屏幕因不同视角而造成的画质劣化。
图4为另一范例性用户401、402、403观看显示器405不同视角与跟显示器405不同距离关系示意图。请参照图4，传统上曲面显示器405是针对单一观测者402在中心轴的坐标位置(即中心位置)进行设计，但是在观赏电视405时，通常不一定会只有一个观测者401、402、403，且也不一定会在中心位置观测，如图4所示。因此曲面电视405最佳视角410、420的条件很容易随着观测者401、402、403的位置不同，而无法获得最佳的画质。
图5为本申请一实施例的曲面显示装置500示意图。请参照图5，在本申请的一实施例中，一种曲面显示装置500，包括：一显示面板510及一角度调整模组540。所述显示面板510，包括：一盖板511，具有第一曲面512；以及一背板515，与所述盖板511相对设置，具有第二曲面516；以及一液晶显示面板513，设置所述背板515及所述盖板511之间。所述角度调整模组540，连接于所述显示面板510，用以调整所述显示面板510的旋转角度，包括：一旋转控制机构单元520，具有一齿轮521；以及一马达控制单元530，具有一马达531，所述马达531连接所述齿轮521。在一实施例中，本申请所述马达531为一步进马达。
图6为本申请一实施例的控制曲面显示装置500旋转角度的方法流程图，图7为本申请一实施例的具有用户位置信息侦测单元502用来侦测用户位置701、702示意图及图8为本申请另一实施例的曲面显示装置500示意图。请参照图6、图7及图8，在本申请的一实施例中，一种曲面显示装置500，包括：一显示面板510及一角度调整模组540。所述显示面板510，包括：一盖板511，具有第一曲面512；以及一背板515，与所述盖板511相对设置，具有第二曲面516；以及一液晶显示面板513，设置所述背板515及所述盖板511之间。所述角度调整模组540，连接于所述显示面板510，用以调整所述显示面板510的旋转角度，包括：一旋转控制机构单元520，具有一齿轮521；一马达控制单元530，具有一马达531，所述马达531连接所述齿轮521；以及一用户位置信息侦测单元502，具有一电荷耦合组件505，电性耦接所述马达控制单元530，用以感测一物体影像。
在一实施例中，本申请所述用户位置信息侦测单元502包括一旋转角度计算组件，用以自动分析出使用者701、702所偏移显示器中心平面的角度位置θ，tan(θ)＝d2/d。
在一实施例中，本申请所述用户位置信息侦测单元502更包括一讯号处理器，分析用户701、702偏离显示器中心的距离d2。
在一实施例中，本申请所述用户位置信息侦测单元502可以预载一显示器平面505与使用者701的预设距离d，以及一显示器平面505与使用者702的距离d1。
在一实施例中，本申请所述马达531为一步进马达。
在一实施例中，本申请所述用户位置信息侦测单元502可为一感测芯片或传感器。
请参照图6及图8，在本申请的一实施例中，一种控制显示装置500旋转角度的方法，包括以下流程：提供所述的曲面显示装置500；S610：依据所述用户位置信息侦测单元502感测一物体影像的位置信息，产生一控制讯号；S620：依据所述控制讯号计算旋转角度；S630：控制所述马达控制单元530的马达531转动；以及S640：同时藉由所述旋转机构单元520控制所述可挠性显示器模组510的旋转角度。
理解的是，在一些实施例中，上述方法可通过处理器在计算装置中被实现，例如通过运行应用程序。但是应当强调的是，除非另有说明，上述方法不需要按照如图所示的确切顺序被执行；并且类似的多个流程(blocks)可以并行地被执行，而不是按顺序；因此上述方法的元素在文中称为"流程(blocks)"而不是"步骤"。还应当理解的是，上述方法也可以在计算装置的变型上被实现。可以进一步理解，本发明的方法能在显示装置中实现。然而，本发明的方法还可以在与显示装置有相似部件、但设置在不同配置中的相似装置或系统中被实现。
在一实施例中，本申请所述的方法，在同时藉由所述旋转控制机构单元520的转动程度，控制 所述显示面板510的旋转角度的步骤包括：利用所述旋转控制机构单元520连接所述显示面板510的背板515；在藉由所述齿轮521的转动因而调整所述背板515的第二曲面516；进行第二曲面516的旋转角度调整而造成所述盖板511的第一曲面512的旋转角度跟着调整。
在一实施例中，本申请所述的方法，所述马达531为一步进马达。
在一实施例中，本申请所述的方法，所述曲率计算单元502可为一感测芯片或传感器。
图9为本申请一实施例的旋转控制机构单元520的作动示意图及图10为本申请一实施例的显示装置500作动示意图。请参照图7、图8、图9及图10，在本申请的一实施例中，一种显示装置500，包括：一显示面板510及一角度调整模组540。所述显示面板510，包括：一盖板511，具有第一曲面512；以及一背板515，与所述盖板511相对设置，具有第二曲面516；以及一液晶显示面板513，设置所述背板515及所述盖板511之间。所述角度调整模组540，连接于所述显示面板510，用以调整所述显示面板510的旋转角度，包括：一旋转控制机构单元520，具有一齿轮521；一马达控制单元530，具有一马达531，所述马达531连接所述齿轮521；以及一用户位置信息侦测单元502，具有一电荷耦合组件505，电性耦接所述马达控制单元530，用以感测一物体影像。在一实施例中，本申请所述用户位置信息侦测单元502包括一旋转角度计算组件503，透过传输界面，电性连接所述马达控制单元530，控制马达531所需要的旋转角度θ。
在一实施例中，本申请所述马达控制单元530在接受旋转角度计算组件所提供的角度信息后，将所述角度信息转化成一相对旋转物理量S(r×θ)(旋转物理量＝齿轮半径×使用者所偏移显示器中心平面的角度位置)，并依据所述相对旋转物理量来控制马达53。
图11为本申请一实施例的显示装置的示意图。在本申请的一实施例中，马达控制单元530可设有一转动马达532，旋转机构件可以是或包括一转动轴523，所述转动马达532枢接所述转动轴523，所述转动轴523枢接于所述显示面板510。当控制转动显示面板510时，旋转角度计算组件503可依据所述用户位置信息来计算得到一角度信息，并将所述角度信息传送至马达控制单元530，马达控制单元530可依据所述角度信息来控制转动转动轴523，因而可控制转动显示面板510。本申请可依照用户位置变更，自动调整显示器旋转角度的控制方法，因而调整曲面显示装置的旋转角度，进而可改善观测者大视角画质。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程，是可以通过计算机程序来指令相关的硬件来完成，程序可存储于一计算器可读取存储介质中，该程序在执行时，可包括如上述各方法的实施例的流程。其中，的存储介质可为磁盘、光盘、只读存储内存(Read-Only Memory，ROM)或随机存储内存(Random Access Memory，RAM)等。
“在一些实施例中”及“在各种实施例中”等用语被重复地使用。所述用语通常不是指相同的 实施例；但它亦可以是指相同的实施例。“包含”、“具有”及“包括”等用词是同义词，除非其前后文意显示出其它意思。
以上所述，仅是本申请的较佳实施例而已，并非对本申请作任何形式上的限制，虽然本申请已以较佳实施例揭露如上，然而并非用以限定本申请，任何熟悉本专业的技术人员，在不脱离本申请技术方案范围内，当可利用上述揭示的技术内容作出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本申请技术方案的内容，依据本申请的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本申请技术方案的范围内。

Claims (8)

  1. 一种显示装置的转动控制方法，包括：
    依据一用户位置信息侦测单元来感测一用户影像，以取得一用户位置信息；
    利用一旋转角度计算组件依据所述用户位置信息来计算得到一角度信息，并将所述角度信息传送至一马达控制单元；
    利用所述马达控制单元依据所述角度信息来控制一旋转机构件，所述旋转机构件枢接于一显示面板；以及
    利用所述旋转机构件来转动所述显示面板。
  2. 如权利要求1所述的显示装置的转动控制方法，其中所述马达控制单元设有一马达，所述旋转机构件设有齿轮，所述马达连接所述齿轮。
  3. 如权利要求2所述的显示装置的转动控制方法，其中所述马达为一步进马达。
  4. 如权利要求1所述的显示装置的转动控制方法，其中所述马达控制单元设有一转动马达，所述旋转机构件是一转动轴，所述转动马达枢接所述转动轴，所述转动轴枢接于所述显示面板。
  5. 如权利要求1所述的显示装置的转动控制方法，其中所述角度信息是所述使用者所偏移所述显示面板中心平面的角度位置。
  6. 如权利要求4所述的显示装置的转动控制方法，其中所述马达控制单元在接受所述旋转角度计算组件所提供的角度信息后，将所述角度信息转化成一相对旋转物理量，并依据所述相对旋转物理量来控制所述旋转机构件。
  7. 如权利要求1所述的显示装置的转动控制方法，其中所述用户位置信息侦测单元包括一讯号处理器，分析所述使用者偏离所述显示面板的中心的距离。
  8. 一种显示装置的转动控制方法，包括：
    依据一用户位置信息侦测单元来感测一用户影像，以取得一用户位置信息，其中所述用户位置信息侦测单元包括一讯号处理器，分析所述使用者偏离所述显示面板的中心的距离；
    利用一旋转角度计算组件依据所述用户位置信息来计算得到一角度信息，并将所述角度信息传送至一马达控制单元，其中所述角度信息是所述使用者所偏移所述显示面板中心平面的角度位置，其中所述马达控制单元在接受所述旋转角度计算组件所提供的角度信息后，将所述角度信息转化成一相对旋转物理量，并依据所述相对旋转物理量来控制所述旋转机构件；
    利用所述马达控制单元依据所述角度信息来控制一旋转机构件，所述旋转机构件枢接于一显示面板；以及
    利用所述旋转机构件来转动所述显示面板；
    其中，所述马达控制单元设有一转动马达，所述旋转机构件是一转动轴，所述转动马达枢接所述转动轴，所述转动轴枢接于所述显示面板。
PCT/CN2017/092144 2016-12-31 2017-07-07 显示装置的转动控制方法 Ceased WO2018120746A1 (zh)

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