CN110545338B - Display device and control method thereof - Google Patents
Display device and control method thereof Download PDFInfo
- Publication number
- CN110545338B CN110545338B CN201810534360.8A CN201810534360A CN110545338B CN 110545338 B CN110545338 B CN 110545338B CN 201810534360 A CN201810534360 A CN 201810534360A CN 110545338 B CN110545338 B CN 110545338B
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- light intensity
- ambient light
- detection unit
- intensity detection
- opening
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/22—Details of telephonic subscriber devices including a touch pad, a touch sensor or a touch detector
Abstract
The embodiment of the invention provides a display device and a control method thereof, relates to the technical field of smart phones, and can solve the problem that in the prior art, due to the fact that the light transmittance of an opening on a touch panel is too low, lighting of an ambient light sensor is difficult, and the automatic adjusting function of the backlight brightness of the display device is influenced. The display device comprises a circuit board and a touch panel, wherein a first ambient light intensity detection unit and a second ambient light intensity detection unit are arranged on the circuit board; the touch panel is provided with a first opening and a second opening; the control unit is connected with the first ambient light intensity detection unit and the second ambient light intensity detection unit; the control unit is used for switching to the second ambient light intensity detection unit for ambient light intensity detection when the first ambient light intensity detection unit is currently used for ambient light intensity detection and the first ambient light intensity detection unit detects that the ambient light intensity is smaller than or equal to a first preset light intensity value. The invention is used for the smart phone.
Description
Technical Field
The invention relates to the technical field of smart phones, in particular to a display device and a control method thereof.
Background
In order to pursue the appearance of the mobile phone, the openings on the TP (Touch-Pad, Touch screen or Touch panel) of the mobile phone are hidden as much as possible, which requires the openings on the TP to have lower and lower light transmittance, and the realization method is to apply more and more layers of ink.
In the prior art, if the opening is formed in the TP corresponding to the ambient light sensor built in the mobile phone, the amount of light entering through the opening is reduced by the multiple layers of ink, and the lighting of the ambient light sensor is further difficult. Especially, under the condition of dark surrounding environment, the light incoming amount is less, even the light collecting amount of the ambient light sensor is 0, the accuracy of reported data is poor, and thus the automatic adjusting function of the backlight brightness of the mobile phone is seriously influenced.
Disclosure of Invention
Embodiments of the present invention provide a display device and a control method thereof, which can solve the problem in the prior art that the backlight brightness of the display device is affected due to the difficulty in lighting of an ambient light sensor caused by too low light transmittance of an opening on a touch panel.
In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:
in one aspect, an embodiment of the present invention provides a display device, including a circuit board and a touch panel disposed above the circuit board,
the circuit board is provided with a first ambient light intensity detection unit and a second ambient light intensity detection unit; the size of the first ambient light intensity detection unit is smaller than the size of the second ambient light intensity detection unit;
a first opening is formed in the position, corresponding to the first ambient light intensity detection unit, of the touch panel; a second opening is formed in the position, corresponding to the second ambient light intensity detection unit, of the touch panel; the light transmittance of the first opening is smaller than that of the second opening;
the display device also comprises a control unit which is connected with the first ambient light intensity detection unit and the second ambient light intensity detection unit; the control unit is used for switching to the second ambient light intensity detection unit for ambient light intensity detection when the first ambient light intensity detection unit is currently used for ambient light intensity detection and the ambient light intensity detected by the first ambient light intensity detection unit is less than or equal to a first preset light intensity value.
On the other hand, the embodiment of the invention provides a control method of a display device, wherein the display device comprises a circuit board and a touch panel arranged above the circuit board, and a first ambient light intensity detection unit and a second ambient light intensity detection unit are arranged on the circuit board; the size of the first ambient light intensity detection unit is smaller than the size of the second ambient light intensity detection unit; a first opening is formed in the position, corresponding to the first ambient light intensity detection unit, of the touch panel; a second opening is formed in the position, corresponding to the second ambient light intensity detection unit, of the touch panel; the light transmittance of the first opening is smaller than that of the second opening; the control method comprises the following steps:
when the first ambient light intensity detecting unit is currently used for ambient light intensity detection and the first ambient light intensity detecting unit detects that the ambient light intensity is less than or equal to a first preset light intensity value, the second ambient light intensity detecting unit is switched to be used for ambient light intensity detection.
The display device comprises a circuit board and a touch panel arranged above the circuit board, wherein a first ambient light intensity detection unit and a second ambient light intensity detection unit are arranged on the circuit board; the size of the first ambient light intensity detection unit is smaller than that of the second ambient light intensity detection unit; a first opening is formed in the position, corresponding to the first ambient light intensity detection unit, of the touch panel; a second opening is formed in the position, corresponding to the second ambient light intensity detection unit, of the touch panel; the light transmittance of the first opening is smaller than that of the second opening; the display device also comprises a control unit, and the control unit is connected with the first ambient light intensity detection unit and the second ambient light intensity detection unit; the control unit is used for switching to the second ambient light intensity detection unit for ambient light intensity detection when the first ambient light intensity detection unit is currently used for ambient light intensity detection and the first ambient light intensity detection unit detects that the ambient light intensity is smaller than or equal to a first preset light intensity value. Compared with the prior art, the light transmittance of the first opening is smaller than that of the second opening, namely the first opening is better in hiding performance, but the light transmittance of the first opening is lower, so that the lighting difficulty of the first environment light intensity detection unit corresponding to the first opening is higher; when the ambient light intensity is less than or equal to the first preset light intensity value, the control unit can be used for switching the first ambient light intensity detection unit into the second ambient light intensity detection unit corresponding to the second opening with higher light transmittance to detect the ambient light intensity, so that the precision measurement accuracy can be improved. According to the embodiment of the invention, the first ambient light intensity detection unit and the second ambient light intensity detection unit can be flexibly switched according to the ambient light intensity, so that the hiding performance of the first opening is ensured, and the problem that the automatic adjusting function of the backlight brightness is influenced by the first ambient light intensity detection unit corresponding to the first opening due to difficult lighting is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a first schematic structural diagram of a display device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a display device according to an embodiment of the present invention;
fig. 3 is a flowchart of a control method of a display device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a display device, as shown in fig. 1 and fig. 2, including a circuit board 11 and a touch panel 12 disposed above the circuit board 11, wherein the circuit board 11 is provided with a first ambient light intensity detection unit 13 and a second ambient light intensity detection unit 14; the size of the first ambient light intensity detection unit 13 is smaller than the size of the second ambient light intensity detection unit 14; a first opening 15 is formed in the touch panel 12 at a position corresponding to the first ambient light intensity detection unit 13; a second opening 16 is formed in the touch panel 12 at a position corresponding to the second ambient light intensity detection unit 14; the light transmittance of the first opening 15 is smaller than that of the second opening 16; the display device further comprises a control unit 17, wherein the control unit 17 is connected with the first environment light intensity detection unit 13 and the second environment light intensity detection unit 14; the control unit 17 is configured to switch to using the second ambient light intensity detecting unit 14 for ambient light intensity detection when the first ambient light intensity detecting unit 13 is currently being used for ambient light intensity detection and the first ambient light intensity detecting unit 13 detects that the ambient light intensity is less than or equal to a first preset light intensity value.
The first ambient light intensity detecting unit 13 and the second ambient light intensity detecting unit 14 are both components capable of detecting the intensity of ambient light. In practical applications, the first ambient light intensity detecting unit 13 is typically an ambient light sensor; the second ambient light level detection unit 14 is typically a three-in-one sensor, wherein the three-in-one sensor typically includes an ambient light sensor, an infrared light emitting lamp, and a distance sensor.
In the related art, the three-in-one sensor is usually disposed on the circuit board 11, the second opening 16 is disposed on the touch panel 12 corresponding to the three-in-one sensor, the second opening 16 is a normal light transmittance opening, and the light transmittance is generally maintained between 8% and 12%, and usually 10%. Since the size of the three-in-one sensor is large, the size of the second opening 16 needs to be large in order to obtain a large FOV (Field of view, also called light entrance angle), and the second opening 16 with a large size and a large light transmittance is disposed on the touch panel 12, which may seriously affect the appearance of the display device. Therefore, in the related art, a special ambient light sensor is disposed on the circuit board 11, and the first opening 15 is disposed on the touch panel 12 at a position corresponding to the ambient light sensor, so that the light entering angle is the same as or larger than that of the three-in-one sensor only by disposing the first opening 15 with a smaller size because the size of the single ambient light sensor is smaller.
However, in order to obtain an attractive appearance of the display device, the light transmittance of the first opening 15 formed in the touch panel 12 should be as low as possible, which in turn affects the lighting of the ambient light sensor corresponding to the first opening 15. Therefore, in the embodiment of the present invention, the control unit is arranged to switch the lighting sensors, and specifically, when the ambient light sensor is used to detect the light intensity of the ambient environment, and when the detected light intensity value is less than or equal to the first preset light intensity value, the control unit may be used to switch to use the three-in-one sensor to detect the ambient light intensity. Because the luminousness of the second trompil 16 that trinity sensor corresponds is higher, therefore trinity sensor can be darker in the environment, and the environmental light intensity still can carry out the accurate detection when less promptly, and the detection precision that improves like this has guaranteed the hidden nature of first trompil 15 simultaneously for the luminousness of first trompil 15 can accomplish very lowly, and in practical application, the luminousness of first trompil 15 can accomplish 0.2% ~ 1%.
The embodiment of the present invention does not limit the specific value of the first preset light intensity value, and those skilled in the art can set the value according to the actual situation. In view of the low light transmittance of the first opening 15, the first preset light intensity value is usually set to be larger than the minimum ambient light intensity value that can be detected by the first ambient light intensity detecting unit 13, and the first preset light intensity value may be generally set to be between 25lux and 35lux, and is usually set to be 30 lux.
The control unit 17 may be a device having a processing function, such as a CPU, an FPGA, or the like, which is not limited in this embodiment of the present invention.
Therefore, compared with the prior art, the light transmittance of the first opening is smaller than that of the second opening, that is, the hiding performance of the first opening is better, but the light transmittance of the first opening is lower, so that the lighting difficulty of the first ambient light intensity detection unit corresponding to the first opening is higher; when the ambient light intensity is less than or equal to the first preset light intensity value, the control unit can be used for switching the first ambient light intensity detection unit into the second ambient light intensity detection unit corresponding to the second opening with higher light transmittance to detect the ambient light intensity, so that the precision measurement accuracy can be improved. According to the embodiment of the invention, the first ambient light intensity detection unit and the second ambient light intensity detection unit can be flexibly switched according to the ambient light intensity, so that the hiding performance of the first opening is ensured, and the problem that the automatic adjusting function of the backlight brightness is influenced by the first ambient light intensity detection unit corresponding to the first opening due to difficult lighting is avoided.
Further, the control unit 17 is further configured to switch to the first ambient light intensity detecting unit 13 for ambient light intensity detection when the second ambient light intensity detecting unit 14 detects that the ambient light intensity is greater than or equal to a second preset light intensity value; wherein the second preset light intensity value is greater than or equal to the first preset light intensity value.
When the second ambient light intensity detecting unit 14 is currently being used for ambient light intensity detection and the second ambient light intensity detecting unit 14 detects that the ambient light intensity is greater than or equal to the second preset light intensity value, the first ambient light intensity detecting unit 13 with a larger light entering angle can be switched to use for ambient light intensity detection, so that the detection precision is improved.
The embodiment of the present invention does not limit the specific value of the second preset light intensity value, and those skilled in the art can set the specific value according to actual situations. In practical applications, the second predetermined light intensity value is generally set between 45lux and 55 lux.
Another embodiment of the present invention provides a control method of a display device, where the display device includes a circuit board and a touch panel disposed above the circuit board, and a first ambient light intensity detection unit and a second ambient light intensity detection unit are disposed on the circuit board; the size of the first ambient light intensity detection unit is smaller than the size of the second ambient light intensity detection unit; a first opening is formed in the position, corresponding to the first ambient light intensity detection unit, of the touch panel; a second opening is formed in the position, corresponding to the second ambient light intensity detection unit, of the touch panel; the light transmittance of the first opening is smaller than that of the second opening; the control method comprises the following steps: when the first ambient light intensity detecting unit is currently used for ambient light intensity detection and the first ambient light intensity detecting unit detects that the ambient light intensity is less than or equal to a first preset light intensity value, the second ambient light intensity detecting unit is switched to be used for ambient light intensity detection.
Further, the control method further includes: when the second ambient light intensity detection unit detects that the ambient light intensity is greater than or equal to a second preset light intensity value, the first ambient light intensity detection unit is switched to be used for detecting the ambient light intensity; wherein the second preset light intensity value is greater than the first preset light intensity value.
Still another embodiment of the present invention provides a control method of a display device, as shown in fig. 3, the control method including:
and 301, detecting the ambient light intensity by using a first ambient light intensity detecting unit.
And step 303, detecting the ambient light intensity by using a second ambient light intensity detection unit.
The steps in the control method of the display device may refer to descriptions of modules or functions in the display device, which are not described herein again, and may achieve the same functions as the display device.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A display device comprises a circuit board and a touch panel arranged above the circuit board,
the circuit board is provided with a first ambient light intensity detection unit and a second ambient light intensity detection unit; the size of the first ambient light intensity detection unit is smaller than the size of the second ambient light intensity detection unit;
a first opening is formed in the position, corresponding to the first ambient light intensity detection unit, of the touch panel; a second opening is formed in the position, corresponding to the second ambient light intensity detection unit, of the touch panel; the light transmittance of the first opening is smaller than that of the second opening;
the display device also comprises a control unit which is connected with the first ambient light intensity detection unit and the second ambient light intensity detection unit; the control unit is used for switching to the second ambient light intensity detection unit for ambient light intensity detection when the first ambient light intensity detection unit is currently used for ambient light intensity detection and the ambient light intensity detected by the first ambient light intensity detection unit is less than or equal to a first preset light intensity value.
2. The display device according to claim 1, wherein the control unit is further configured to switch to the first ambient light intensity detection unit for ambient light intensity detection when the second ambient light intensity detection unit detects that the ambient light intensity is greater than or equal to a second preset light intensity value; wherein the second preset light intensity value is greater than the first preset light intensity value.
3. The display device according to claim 1 or 2, wherein the first opening has a light transmittance of 0.2% to 1%.
4. The display device according to claim 1 or 2, wherein the second opening has a light transmittance of 8% to 12%.
5. A display device as claimed in claim 1 or 2, characterised in that the first ambient light intensity detection unit is an ambient light sensor.
6. The display device according to claim 1 or 2, wherein the second ambient light intensity detection unit is a three-in-one sensor.
7. A display device as claimed in claim 1 or 2, wherein the first predetermined light intensity value is between 25lux and 35 lux.
8. The display device according to claim 2, wherein the second predetermined light intensity value is 45lux to 55 lux.
9. The control method of the display device is characterized in that the display device comprises a circuit board and a touch panel arranged above the circuit board, wherein a first ambient light intensity detection unit and a second ambient light intensity detection unit are arranged on the circuit board; the size of the first ambient light intensity detection unit is smaller than the size of the second ambient light intensity detection unit; a first opening is formed in the position, corresponding to the first ambient light intensity detection unit, of the touch panel; a second opening is formed in the position, corresponding to the second ambient light intensity detection unit, of the touch panel; the light transmittance of the first opening is smaller than that of the second opening; the control method comprises the following steps:
when the first ambient light intensity detecting unit is currently used for ambient light intensity detection and the first ambient light intensity detecting unit detects that the ambient light intensity is less than or equal to a first preset light intensity value, the second ambient light intensity detecting unit is switched to be used for ambient light intensity detection.
10. The control method according to claim 9, characterized by further comprising:
when the second ambient light intensity detection unit detects that the ambient light intensity is greater than or equal to a second preset light intensity value, the first ambient light intensity detection unit is switched to be used for detecting the ambient light intensity; wherein the second preset light intensity value is greater than the first preset light intensity value.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810534360.8A CN110545338B (en) | 2018-05-29 | 2018-05-29 | Display device and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810534360.8A CN110545338B (en) | 2018-05-29 | 2018-05-29 | Display device and control method thereof |
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| CN110545338A CN110545338A (en) | 2019-12-06 |
| CN110545338B true CN110545338B (en) | 2021-05-04 |
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| TWI822052B (en) * | 2022-05-23 | 2023-11-11 | 聯詠科技股份有限公司 | Display devices |
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| TWI587050B (en) * | 2016-01-22 | 2017-06-11 | 佳世達科技股份有限公司 | Monitor assistant illumination apparatus |
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| CN2703267Y (en) * | 2004-02-15 | 2005-06-01 | 林永全 | Camera apparatus utilizing multiple photoreceptors |
| CN105575334A (en) * | 2015-07-10 | 2016-05-11 | 宇龙计算机通信科技(深圳)有限公司 | Screen brightness adjusting method and user terminal |
| TWI587050B (en) * | 2016-01-22 | 2017-06-11 | 佳世達科技股份有限公司 | Monitor assistant illumination apparatus |
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Address after: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Patentee after: Qingdao Hisense Mobile Communication Technology Co.,Ltd. Address before: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Patentee before: HISENSE MOBILE COMMUNICATIONS TECHNOLOGY Co.,Ltd. |