CN113763805A - Display device and driving method thereof - Google Patents
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- CN113763805A CN113763805A CN202010483541.XA CN202010483541A CN113763805A CN 113763805 A CN113763805 A CN 113763805A CN 202010483541 A CN202010483541 A CN 202010483541A CN 113763805 A CN113763805 A CN 113763805A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
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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
- 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
- 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
- G09G3/2003—Display of colours
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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
- 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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
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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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
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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
- G09G2360/00—Aspects of the architecture of display systems
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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
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The invention provides a display device and a driving method thereof, comprising the following steps: display screen, sensing module and actuator. The sensing module comprises a first sensor and a second sensor. The first sensor is used for detecting a user positioned in front of the display screen and opening the display screen. The second sensor is used for receiving and detecting the intensity of a part of environmental physical quantity incident from the front of the display screen. The actuator is used for moving the second sensor so as to receive and detect the intensity of the incident partial environmental physical quantity. Therefore, the optimal image and sound-light display effect of a user of the display device is provided in real time, and the problems of unnecessary consumption of elements and electric energy waste caused by the fact that a display screen and a built-in sensor of the display device are continuously opened when the user leaves for a long time are solved.
Description
Technical Field
The present invention relates to a display device and a driving method thereof, and more particularly, to a display device configured with a sensing module and a driving method thereof.
Background
Since the brightness of an image provided by a general display device, such as a Liquid Crystal Display (LCD), is usually set to a fixed value, a user may not be able to see clearly due to a dark screen when using the LCD device in the daytime, and may feel tired due to a bright screen when using the LCD device in the night. In addition, the brightness and color of the screen provided by the liquid crystal display device may also vary with time. The prior art proposes a liquid crystal display device having an optical sensor (optical sensor) for detecting the brightness of the ambient light to provide the proper brightness and color of the image of the liquid crystal display device.
However, in order to detect the ambient light changing with time, the optical sensor must be turned on frequently, and when the user leaves for a long time, the optical sensor is still turned on continuously, which easily causes unnecessary consumption of the device and waste of power after long-term use.
Disclosure of Invention
The present invention is directed to an advanced display device and a driving method thereof to solve the problems of the prior art.
In view of the above object, the present invention provides a display device, including:
a display screen;
the sensing module includes:
the first sensor is used for detecting a user positioned in front of the display screen and opening the display screen; and
a second sensor for receiving and detecting the intensity of the partial environmental physical quantity incident from the front of the display screen; and
an actuator for moving the second sensor to receive and detect the intensity.
Preferably, the second sensor includes a first receiving element, and the actuator drives the first receiving element to rotate from a horizontal plane by a first angle upwards or to rotate from a horizontal plane by a second angle left and right parallel to the horizontal plane, so as to receive the portion of the environmental physical quantity.
Preferably, the first angle and the second angle are both between 45 ° and 90 °; the first sensor and the second sensor are arranged on a circuit board.
Preferably, the portion of the ambient physical quantity is ambient light; the first sensor is a proximity sensor; the second sensor is a luminosity sensor; the first receiving element includes a light receiving element; the proximity sensor and the luminosity sensor share the first receiving element, or the proximity sensor includes a second receiving element.
Preferably, the first sensor is a proximity sensor for detecting at least one of the following changes in physical quantity: the user can change electric energy, magnetic field, sound energy, light energy and radiation energy in front of the display screen.
Preferably, the photodiode is located in one or more pixels in the display screen.
Preferably, the display screen has a long side, a short side connected to the long side, and a central axis perpendicular to the long side; the long side has a first length and the short side has a second length; the sensing module is located in the range of 1/4 extending the first length from the central axis to both sides and 1/2 extending the second length from the bottom of the display screen upward along the short side.
Preferably, the display device further comprises a button, which is arranged on the display screen and electrically connected to the sensing module; the button is used for generating a signal in response to the pressing of the user, driving the actuator to move the second sensor, and receiving and detecting the partial environment physical quantity.
Preferably, the display device further comprises a control circuit electrically connected to the sensing module, and configured to generate a signal in response to the display screen being turned on, and drive the actuator to move the second sensor, so as to receive and detect the partial environmental physical quantity.
Based on the above object, the present invention further provides a driving method of a display device, which is suitable for a display device, the display device includes a display screen, a sensing module and an actuator, the sensing module includes a first sensor and a second sensor, and the method includes:
detecting whether a user exists in front of the display screen by the first sensor, and starting the display screen when the user is detected;
responding to the opening of the display screen or the operation of the user, driving the actuator to move the second sensor so as to receive and detect the intensity of partial environmental physical quantity incident from the elevation direction of a horizontal plane in front of the display screen or the transverse angle direction parallel to the horizontal plane; and
adjusting at least one of the following parameters of the display screen according to the intensity: the brightness, color and sound volume can provide the best image and sound display effect for the user of the display device in real time. Meanwhile, the problems of unnecessary loss of elements and electric energy waste caused by the fact that a display screen and a built-in sensor of the display device are continuously opened when a user leaves for a long time are solved.
Drawings
Fig. 1A is a schematic perspective view of a display device according to an embodiment of the present disclosure;
FIG. 1B is a schematic side view of the display device shown in FIG. 1A; and
fig. 2 is a flowchart illustrating a driving method of a display device according to an embodiment of the present disclosure.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
The present specification provides a display device and a driving method thereof, which can provide the best image and sound display effect for the user of the display device in real time, and solve the problems of unnecessary consumption of components and electric energy waste caused by long-time opening of the display screen and the built-in sensor of the display device. In order to make the aforementioned embodiments and other objects, features and advantages of the present invention comprehensible, several preferred embodiments accompanied with figures are described in detail below.
It should be noted, however, that the specific embodiments and methods are not to be considered as limiting the invention. The invention may be embodied with other features, elements, methods, and parameters. The preferred embodiments are provided only for illustrating the technical features of the invention, and are not intended to limit the scope of the invention. Those skilled in the art will recognize that equivalent modifications and variations can be made in light of the following description without departing from the spirit of the invention. Like elements in different embodiments and drawings will be denoted by like reference numerals.
Referring to fig. 1A and fig. 1B, fig. 1A is a schematic perspective structural view of a display device 100 according to an embodiment of the present disclosure; FIG. 1B is a schematic side view of the display device 100 shown in FIG. 1A. The display device 100 includes a display screen 101, a sensing module 102, and an actuator 103.
The display screen 101 is disposed on the bracket 110 (the display screen 101 can be disposed in other manners, but the invention is not limited thereto), and includes a display surface 101d facing the user U. The sensing module 102 at least includes a first sensor 102A and a second sensor 102B, and is disposed on the display screen 101. The actuator 103 is disposed corresponding to the sensing module 102 and is used for moving at least one of the first sensor 102A and the second sensor 102B.
In some embodiments of the present disclosure, the display screen 101 may be a liquid crystal display screen (but not limited thereto), and has a long side 101a, a short side 101b, and a central axis 101c perpendicular to the long side 101 a. The long side 101a of the display screen 101 is parallel to the horizontal plane P and has a first length L; the short side 101b connects the long sides 101a and has a second length H. The sensing module 102 is disposed on the display screen 101, and extends 1/4 a first length (1/4L) from the central axis 101c parallel to the long side 101a to both sides, and extends 1/2 a second length (1/2H) from the bottom 101e of the display screen 101 along the short side 101 b.
For example, in the present embodiment, the sensing module 102 can be disposed at the edge of the bottom 101e (the lower long side L) of the display screen 101. It should be noted that the position of the sensing module 102 is not limited thereto, and in another embodiment of the present disclosure, the sensing module 102 can be disposed on the short sides 101b of the display screen 101, and extend from the bottom 101e of the display screen 101 along the short sides 101b to a position less than or equal to 1/2 (the second length ≦ 1/2H). In another embodiment of the present disclosure, the sensing module 102 may be miniaturized and disposed in one or more pixels 101p of the display surface 101 d.
The first sensor 102A of the sensing module 102 is used to detect the user U located in front of the display surface 101d of the display screen 101 and send a sensing signal, so that the display screen 101 is turned on in response to the sensing signal. In some embodiments of the present disclosure, the first sensor 102A of the sensing module 102 may be a proximity sensor (proximity sensor), which can detect without contacting the detection object (i.e., the user U located in front of the display surface 101d of the display screen 101) to obtain the movement information or the information of the presence or absence of the detection object.
For example, by emitting an electromagnetic field or electromagnetic radiation (e.g., an infrared beam) to the front of the display surface 101D of the display screen 101, and detecting the change of the electric field or the change of the electromagnetic radiation reflected signal in front of the display surface 101D; or directly detecting the change of electric energy (including electrostatic capacity), magnetic field, acoustic energy, optical energy, radiation energy (including heat energy) or any combination of the above in front of the display surface 101d of the display screen 101 in a period of time, and converting the energy change into an electronic signal through electromagnetic induction; then, the value of the electronic signal is used to determine whether the user U is in front of the display surface 101d of the display screen 101, or calculate the distance between the user U and the display surface 101 d.
The second sensor 102B of the sensing module 102 is used for receiving and detecting the intensity of a portion of the environmental physical quantity K (e.g., environmental light or sound) incident from the front of the display surface 101d of the display screen 101. In some embodiments of the present description, the second sensor 102B may be a photometric sensor for converting received ambient light into an electrical signal. The second sensor 102B may include a light receiving element 102B1, such as a photodiode (photodiode), a fast camera (streaming camera), a charge-coupled device (CCD), or an enhanced CCD (ICCD).
For example, in the present embodiment, the first sensor 102A of the sensing module 102 may be a laser ranging sensor capable of emitting an infrared beam and detecting a reflected beam thereof; the first sensor 102A and the second sensor 102B may be disposed on the same circuit board 104; and the laser ranging sensor/proximity sensor (first sensor 102A) and the luminosity sensor (second sensor 102B) of the sensor module 102 may share one light receiving element 102B 1. In another embodiment, the first sensor 102A and the second sensor 102B may be disposed on different circuit boards (not shown); the first sensor 102A of the sensor module 102 has a separate light receiving element 102A1, and does not share the light receiving element 102B1 with the second sensor 102B.
The actuator 103 is disposed on the display screen 101, and movably connected to at least one of the first sensor 102A and the second sensor 102B of the sensing module 102 through a transmission element 103 a. For example, in the present embodiment, the actuator 103 is disposed at one side of the sensing module 102 and movably connected to the second sensor 102B by a rotating shaft (driving element 103 a). The light receiving element 102B1 of the second sensor 102B is driven by the rotating shaft to rotate upward by a first angle Θ 1 in the elevation direction of the horizontal plane P, or rotate by a second angle Θ 2 in the left and right directions (i.e. in the lateral direction) parallel to the horizontal plane P with reference to the central axis 101c of the display screen 101, so as to receive and detect a portion of the environmental physical quantity K (e.g. environmental light or sound) incident in the elevation direction (the first angle Θ 1) in front of the display surface 101d of the display screen 101 or in the lateral direction (the second angle Θ 2) parallel to the horizontal plane P.
The position of the actuator 103 is not limited thereto. In some embodiments of the present disclosure, a remote driving element (not shown) not disposed on the display screen 101 may be further included, and is movably connected to at least one of the first sensor 102A and the second sensor 102B of the sensing module 102 by the transmission element 103 a. By being driven by a remote driving element, such as a belt, a slide rail, or a link (not shown), at least one of the first sensor 102A and the second sensor 102B is driven to move, so as to receive and detect a portion of the environmental physical quantity K (e.g., light or sound of the environment) incident in the direction of an elevation angle (the first angle Θ 1) in front of the display surface 101d of the display screen 101 or in the direction of a transverse angle (the second angle Θ 2) parallel to the horizontal plane P.
In some embodiments of the present description, the first angle Θ 1 by which the actuator 103 drives the light receiving element 102B1 of the second sensor 102B to rotate upward or the second angle Θ 2 by which the actuator rotates laterally parallel to the horizontal plane P may be (but is not limited to) between 45 ° and 90 °. In the present embodiment, the first angle Θ 1 of upward rotation may be preferably 65 °; the second angle Θ 2 of the transverse rotation is preferably 45 ° with respect to the central axis 101c of the display screen 101.
In addition, in the embodiment where the first sensor 102A and the second sensor 102B are disposed on the same circuit board 104, when the actuator 103 drives the second sensor 102B to move (e.g., drives the light receiving element 102B1 of the second sensor 102B to rotate upward), the first sensor 102A is also driven to move together (e.g., drives the light receiving element 102A1 of the first sensor 102A to move together).
In some embodiments of the present disclosure, the display device 100 may further include an operation button 105 disposed on the display screen 101, so that the user U can output a notification signal to the control circuit 106 of the display device 100 through a wire (not shown) or a transceiver (not shown) after pressing the operation button 105. The control circuit 106 outputs an operation signal through a wire (not shown) or a transceiver (not shown) to drive the actuator 103 to move the second sensor 102B in the sensing module 102 movably, so as to receive and detect the intensity of a part of the environmental physical quantity K (e.g., environmental light or sound) incident from the front of the display surface 101d of the display screen 101.
Referring to fig. 2, fig. 2 is a flowchart illustrating steps of a driving method of the display device 100 according to an embodiment of the present disclosure. The driving method of the display device 100 includes the steps of: first, the first sensor 102A detects whether the user U is present in front of the display screen 101 (in step S201). When the user U is detected, the display screen 101 is turned on (step S202).
Next, in response to the display screen 101 being turned on or the user operating the display screen, the actuator 103 is driven to move the second sensor 102B to the sensing position (in step S203). For example, in some embodiments of the present specification, the sensing position may be a position rotated upward by a first angle Θ 1 in front of the display screen 101 on the basis of the environmental physical quantity receiving element (e.g., the light receiving element 102B1) of the second sensor 102B; or at a position rotated to the left and right by a second angle Θ 2 on the parallel horizontal plane P with reference to the central axis 101c of the display screen 101.
Next, the intensity of the partial environmental physical quantity K incident from the elevation direction of the horizontal plane or the lateral angle direction parallel to the horizontal plane is received and detected by the second sensor 102B (step S204). Then, at least one of the brightness, color and sound volume of the display screen is adjusted according to the intensity of the partial environmental physical quantity K (in step S205).
In some embodiments of the present disclosure, the control circuit 106 may turn off the first sensor 102A immediately when the actuator 103 is driven to move the second sensor 102B. When the user U pushes the operation button 105 to send another notification signal before leaving, the control circuit 106 can respond to the notification signal to turn off the second sensor 102B and return it to the original position; while the first sensor 102A is turned on again.
In other embodiments of the present disclosure, the first sensor 102A may be kept in an on or timed scanning state, and when the first sensor 102A detects that the user U leaves (no user U exists before the screen 101 is displayed), the control circuit 106 may notify the driving actuator 103 to reset the second sensor 102B and turn off the second sensor 102B.
According to the above embodiments, embodiments of the present specification provide a display device and a driving method thereof. The method includes the steps that a plurality of sensors are integrated on a display device, one sensor detects whether a user exists in front of a display screen, and when the user is detected, the display screen is started. Then, in response to the opening of the display screen or the operation of the user, the actuator is driven to move the other sensor so as to receive and detect the intensity of a part of the environmental physical quantity (such as brightness, color or sound) incident from the elevation angle or the transverse angle direction of the horizontal plane in front of the display screen, and the brightness, the color or the sound quantity displayed by the display screen is adjusted according to the intensity of the part of the environmental physical quantity. Thereby providing the best image and sound-light display effect for the user of the display device in real time. Meanwhile, the problems of unnecessary loss of elements and electric energy waste caused by the fact that a display screen and a built-in sensor of the display device are continuously opened when a user leaves for a long time are solved.
The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.
Claims (10)
1. A display device, comprising:
a display screen;
the sensing module includes:
the first sensor is used for detecting a user positioned in front of the display screen and opening the display screen; and
a second sensor for receiving and detecting the intensity of the partial environmental physical quantity incident from the front of the display screen; and
an actuator for moving the second sensor to receive and detect the intensity.
2. The display apparatus according to claim 1, wherein the second sensor comprises a first receiving element, and the actuator drives the first receiving element to rotate upward from a horizontal plane by a first angle or to rotate left and right parallel to the horizontal plane by a second angle to receive the portion of the environmental physical quantity.
3. The display device according to claim 2, wherein the first angle and the second angle are both between 45 ° and 90 °; the first sensor and the second sensor are arranged on a circuit board.
4. The display device according to claim 2, wherein the portion of the environmental physical quantity is ambient light; the first sensor is a proximity sensor; the second sensor is a luminosity sensor; the first receiving element includes a light receiving element; the proximity sensor and the luminosity sensor share the first receiving element, or the proximity sensor includes a second receiving element.
5. The display device according to claim 2, wherein the first sensor is a proximity sensor for detecting at least one of the following changes in physical quantity: the user can change electric energy, magnetic field, sound energy, light energy and radiation energy in front of the display screen.
6. The display apparatus of claim 4, wherein the photodiode is located in one or more pixels in the display screen.
7. The display apparatus of claim 1, wherein the display screen has a long side, a short side connecting the long side, and a central axis perpendicular to the long side; the long side has a first length and the short side has a second length; the sensing module is located in the range of 1/4 extending the first length from the central axis to both sides and 1/2 extending the second length from the bottom of the display screen upward along the short side.
8. The display device of claim 1, further comprising a button disposed on the display screen and electrically connected to the sensing module; the button is used for generating a signal in response to the pressing of the user, driving the actuator to move the second sensor, and receiving and detecting the partial environment physical quantity.
9. The display device as claimed in claim 1, further comprising a control circuit electrically connected to the sensing module for generating a signal in response to the display screen being turned on to drive the actuator to move the second sensor, thereby receiving and detecting the portion of the environmental physical quantity.
10. A driving method of a display device is suitable for the display device, and is characterized in that the display device comprises a display screen, a sensing module and an actuator, the sensing module comprises a first sensor and a second sensor, and the method comprises the following steps:
detecting whether a user exists in front of the display screen by the first sensor, and starting the display screen when the user is detected;
responding to the opening of the display screen or the operation of the user, driving the actuator to move the second sensor so as to receive and detect the intensity of partial environmental physical quantity incident from the elevation direction of a horizontal plane in front of the display screen or the transverse angle direction parallel to the horizontal plane; and
adjusting at least one of the following parameters of the display screen according to the intensity: brightness, color, and sound volume.
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| CN109192153A (en) * | 2018-08-31 | 2019-01-11 | 维沃移动通信有限公司 | A kind of terminal and terminal control method |
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