CN204652442U - A kind of terminal - Google Patents
A kind of terminal Download PDFInfo
- Publication number
- CN204652442U CN204652442U CN201520191553.XU CN201520191553U CN204652442U CN 204652442 U CN204652442 U CN 204652442U CN 201520191553 U CN201520191553 U CN 201520191553U CN 204652442 U CN204652442 U CN 204652442U
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- backlight
- light
- brightness
- terminal
- output end
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Abstract
The utility model embodiment discloses a kind of terminal, and this terminal comprises: controller, backlight, display screen, and wherein: display screen is connected with controller, the first pulse output end of controller connects backlight; Backlight is provided with the individual light-emitting diodes of bar shaped light guiding film leaded light in the side of contact display screen; Second pulse output end of controller connects individual light-emitting diodes; Controller is used for when the brightness of environment residing for terminal is greater than predetermined luminance ratio with the ratio of the brightness of backlight, exports predetermined pulse signal drive individual light-emitting diodes luminous by the second pulse output end; And control display screen and regulate control at the position display brightness that bar shaped light guiding film is corresponding; Brightness regulation control is for receiving the Dimming operation of user.Adopt the utility model, can when extraneous ambient brightness be far above screen luminance of mobile phone, the predeterminable area of partial points bright screen curtain, and brightness regulation control is provided in predeterminable area, the brightness of user's adjusting screen can be enable.
Description
Technical field
The utility model relates to electronic technology field, particularly relates to a kind of terminal.
Background technology
Liquid crystal display screen of mobile phone (LCD) is the novel Display Technique of one occurred in recent years.At present, the light source of LCDs adopts LED side backlight mostly, carrys out directs optical radiation to whole mobile phone screen by LED side backlight and light guiding film.In existing smart mobile phone backlight, LED side backlight is normally connected by multiple LED or is gone here and there and the side backlight that formed of the mode interweaved, and utilizes light guiding film to guide the light of LED side backlight to light whole screen.
But when light that is too dark when mobile phone screen or external environment is too strong, user does not often see Chu's screen, be difficult to proper operation mobile phone, even if user wants to reset screen intensity, owing to not seeing Chu's screen, the scroll bar of adjustment brightness also cannot be opened, and cannot reset the brightness of mobile phone.
Utility model content
The utility model embodiment provides a kind of terminal, can when extraneous ambient brightness is far above screen luminance of mobile phone, the predeterminable area of partial points bright screen curtain, and in predeterminable area, provide brightness regulation control, can enable the brightness of user's adjusting screen.
The utility model embodiment discloses a kind of terminal, and this terminal comprises:
Controller, backlight, display screen, wherein: described display screen is connected with described controller, the first pulse output end of described controller connects described backlight; Described backlight is provided with the individual light-emitting diodes of bar shaped light guiding film leaded light in the side of the described display screen of contact; Second pulse output end of described controller connects described individual light-emitting diodes;
Described controller is used for when the brightness of environment residing for described terminal is greater than predetermined luminance ratio with the ratio of the brightness of described backlight, exports predetermined pulse signal drive described individual light-emitting diodes luminous by described second pulse output end; Further, control described display screen and regulate control at the position display brightness that described bar shaped light guiding film is corresponding;
Described controller acts on Dimming operation on described brightness regulation control for responding user, adjusts the pulse signal that described first pulse output end exports, to change the brightness of described backlight.
Implement the utility model embodiment, there is following beneficial effect:
The individual light-emitting diodes of bar shaped light guiding film leaded light is provided with by the side contacting display screen in backlight, when the brightness of environment residing for terminal is greater than predetermined luminance ratio with the ratio of the brightness of backlight, controller exports predetermined pulse signal by the second pulse output end and drives described individual light-emitting diodes luminous, and regulate control at the position display brightness that described bar shaped light guiding film is corresponding, can realize when extraneous ambient brightness is far above screen luminance of mobile phone, the predeterminable area of partial points bright screen curtain, and brightness regulation control is provided in predeterminable area, the brightness of user's adjusting screen can be enable.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the terminal that the utility model embodiment provides;
Fig. 2 A is the schematic diagram of the first structure of the backlight that the utility model embodiment provides;
Fig. 2 B is the schematic diagram of the second structure of the backlight that the utility model embodiment provides;
Fig. 3 A is the schematic diagram of the series connection of the light-emitting diode of the backlight that the utility model embodiment provides;
Fig. 3 B is the schematic diagram of the parallel connection of the light-emitting diode of the backlight that the utility model embodiment provides;
Fig. 3 C is the schematic diagram of the mixing parallel connection of the light-emitting diode of the backlight that the utility model embodiment provides;
Fig. 3 D is the schematic diagram of the mixing series connection of the light-emitting diode of the backlight that the utility model embodiment provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
See Fig. 1, be the structural representation of the terminal that the utility model embodiment provides, terminal as shown in fig. 1 comprises: controller 101, backlight 102, display screen 105.Wherein: display screen 105 is connected with controller 101, the first pulse output end of controller 101 connects backlight 102; Backlight 102 is provided with the individual light-emitting diodes 103 of bar shaped light guiding film 104 leaded light in the side of the described display screen 105 of contact; Second pulse output end of described controller 101 connects individual light-emitting diodes 103;
Controller 101, for when the brightness of environment residing for terminal is greater than predetermined luminance ratio with the ratio of the brightness of backlight 102, exports predetermined pulse signal by described second pulse output end and drives individual light-emitting diodes 103 luminous; Further, control display screen 105 and regulate control 108 at the position 107 place display brightness of bar shaped light guiding film 104 correspondence;
Controller 101 acts on Dimming operation on brightness regulation control 108 for responding user, adjusts the pulse signal that the first pulse output end exports, to change the brightness of backlight 102.
Further, terminal as shown in fig. 1 comprises: controller 101, backlight 102, outside display screen 105, also can comprise: the first light intensity sensor 109 and the second light intensity sensor 110.Wherein:
First light intensity sensor 109 is connected with controller 101, and the second light intensity sensor 110 is connected with controller 101.First light intensity sensor 109 is for the brightness of environment residing for measuring terminals, and the second light intensity sensor 110 is for measuring the brightness of backlight 102.
In specific implementation, the first light intensity sensor 109 accessible site has the first optical-electrical converter and the first digital to analog converter.Wherein: described first optical-electrical converter is converted to first signal of telecommunication for the light signal of environment residing for terminal, and exports to described first digital to analog converter.Described first signal of telecommunication after quantizing for quantizing first signal of telecommunication, and is exported to controller by described first analog to digital converter.
In specific implementation, the second light intensity sensor 110 accessible site has the second optical-electrical converter and the second digital to analog converter.Wherein: described second optical-electrical converter is used for changing the light signal that backlight 102 sends into second signal of telecommunication, and exports to described second digital to analog converter.Described first signal of telecommunication after quantizing for quantizing second signal of telecommunication, and is exported to controller by described second analog to digital converter.
Further, terminal as shown in fig. 1 comprises: controller 101, backlight 102, outside display screen 105, also can comprise: the first backlight drive circuit 111 and the second backlight drive circuit 112, wherein:
The light modulation input of the first backlight drive circuit 111 is connected with the first pulse output end of controller 101, and the power output end of the first backlight drive circuit 111 is connected with the power input of backlight 102.
The light modulation input of the second backlight drive circuit 112 is connected with described second pulse output end of controller 101, and the power output end of the second backlight drive circuit 112 is connected with the power input of individual light-emitting diodes 103.
Needs illustrate, in practical application, the first backlight drive circuit 111 and/or the second backlight drive circuit 112 can also be integrated in controller 101, are not restricted here.
In the utility model embodiment, can integrated first sub-controller in controller 101, the second sub-controller, the 3rd sub-controller, the 4th sub-controller.Wherein:
Described first sub-controller is used for the ratio of the brightness of environment and the brightness of backlight 102 residing for computing terminal, and compares ratio and predetermined luminance ratio, exports comparative result to described second sub-controller and described 3rd sub-controller.
Described second sub-controller be used for comparative result be ratio be greater than predetermined luminance ratio time, export predetermined pulse signal by described second pulse output end.
Described 3rd sub-controller be used for comparative result be ratio be greater than predetermined luminance ratio time, control display screen 105 position 107 place display brightness regulate control 108.
Described 4th sub-controller acts on the Dimming operation of brightness regulation control 108 for responding user, adjust the pulse signal that described first pulse output end exports.
In the utility model embodiment, as shown in Figure 2 A, backlight 102 can comprise N number of light-emitting diode 113, and described N number of light-emitting diode 113 is arranged in the side that backlight 102 contacts with display screen 105.Described N number of light-emitting diode 113 is guide-lighting by the bar shaped light guiding film 106 of described N number of longitudinal arrangement respectively, and described N number of bar shaped light guiding film 106 covers whole backlight 102; Described N is natural number.
In specific implementation, the bar shaped light guiding film 104 of individual light-emitting diodes 103 can be overlapping with described N number of bar shaped light guiding film 106, forms brightness strengthen overlap-add region in bar shaped light guiding film 104 region.Concrete, controller 101 can when the brightness of environment residing for described terminal be greater than described predetermined luminance ratio with the ratio of the brightness of described backlight 102, the pulse signal that described second pulse output end of independent change exports, in order to strengthen separately the brightness of individual light-emitting diodes 103, thus strengthen the brightness after bar shaped light guiding film 104 superposes.In addition, controller 101 can when the brightness of environment residing for described terminal be less than or equal to described predetermined luminance ratio with the ratio of the brightness of described backlight 102, control the first backlight drive circuit 111 to disconnect and supplying the power supply of individual light-emitting diodes 103, to make the brightness of bar shaped light guiding film 104 region consistent with the brightness that described N number of bar shaped light guiding film 106 sends.
In the utility model embodiment, as shown in Figure 2 B, backlight 102 can comprise N number of light-emitting diode 113, described N number of light-emitting diode 113 is arranged in the side that backlight 102 contacts with display screen 105, individual light-emitting diodes 103 and described N number of light-emitting diode 113 form a line, described N number of light-emitting diode 113 is divided into the both sides that two groups are arranged in individual light-emitting diodes 103 respectively, be horizontally arranged in backlight 102 in parallel with the bar shaped light guiding film 104 of individual light-emitting diodes of described N number of bar shaped light guiding film 106.
Concrete, controller 101 can when the brightness of environment residing for terminal be greater than described predetermined luminance ratio with the ratio of the brightness of backlight 102, the pulse signal that described second pulse output end of independent change exports, in order to strengthen separately the brightness of individual light-emitting diodes 103, thus strengthen separately the brightness of bar shaped light guiding film 104 region.In addition, controller 101 can when the brightness of environment residing for terminal be less than or equal to described predetermined luminance ratio with the ratio of the brightness of backlight 102, control described first pulse output end and described second pulse output end exports identical pulse signal, to make the brightness of bar shaped light guiding film 104 region consistent with the brightness that described N number of bar shaped light guiding film 106 sends.
In the utility model embodiment, backlight 102 can comprise N number of light-emitting diode, as shown in Figure 3A, described N number of light-emitting diode series connection, first backlight drive circuit is constant current mode drive circuit, the power output end of the first backlight drive circuit exports the electric current of constant magnitude, in order to drive described N number of lumination of light emitting diode of series connection.In specific implementation, described first backlight drive circuit exports constant current, and adopt series system to make to flow through in described N number of light-emitting diode the electric current of each LED equally, the uniformity of luminance of backlight 102 is good.
In the utility model embodiment, backlight 102 can comprise N number of light-emitting diode, as shown in Figure 3 B, described N number of light-emitting diode is in parallel, described first backlight drive circuit is type voltage regulation drive circuit, the power output end of the first backlight drive circuit exports the constant voltage of size, in order to drive described N number of lumination of light emitting diode in parallel.In specific implementation, the first backlight drive circuit exports constant voltage, and adopt parallel way to make the voltage at each LED two ends in described N number of light-emitting diode the same, the uniformity of luminance of backlight 102 is good.
In the utility model embodiment, backlight 102 can comprise N number of lamp group, and as shown in Figure 3 C, each lamp group comprises the light-emitting diode of M series connection, and described N number of lamp group can be connected, in order to provide the light source of described backlight by mode in parallel; Described N is natural number, and described M is natural number.
In the utility model embodiment, backlight 102 can comprise N number of lamp group, and each lamp group comprises M light-emitting diode in parallel, and described N number of lamp group can be connected, in order to provide the light source of described backlight by the mode of series connection; Described N is natural number, and described M is natural number.
Needs illustrate, in practical application, for backlight provides the light-emitting diode of light source can also present other forms of circuit connecting mode, are not restricted here.
Implement the utility model embodiment, the individual light-emitting diodes of bar shaped light guiding film leaded light is provided with by the side contacting display screen in backlight, when the brightness of environment residing for terminal is greater than predetermined luminance ratio with the ratio of the brightness of backlight, controller exports predetermined pulse signal by the second pulse output end and drives described individual light-emitting diodes luminous, and regulate control at the position display brightness that described bar shaped light guiding film is corresponding, can realize when extraneous ambient brightness is far above screen luminance of mobile phone, the predeterminable area of partial points bright screen curtain, and brightness regulation control is provided in predeterminable area, the brightness of user's adjusting screen can be enable.
Above disclosedly be only the utility model preferred embodiment, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (10)
1. a terminal, is characterized in that, comprising: controller, backlight, display screen, and wherein: described display screen is connected with described controller, the first pulse output end of described controller connects described backlight; Described backlight is provided with the individual light-emitting diodes of bar shaped light guiding film leaded light in the side of the described display screen of contact; Second pulse output end of described controller connects described individual light-emitting diodes;
Described controller is used for when the brightness of environment residing for described terminal is greater than predetermined luminance ratio with the ratio of the brightness of described backlight, exports predetermined pulse signal drive described individual light-emitting diodes luminous by described second pulse output end; Further, control described display screen and regulate control at the position display brightness that described bar shaped light guiding film is corresponding;
Described controller acts on Dimming operation on described brightness regulation control for responding user, adjusts the pulse signal that described first pulse output end exports, to change the brightness of described backlight.
2. terminal as claimed in claim 1, is characterized in that, also comprise: the first light intensity sensor and the second light intensity sensor, wherein:
Described first light intensity sensor is connected with described controller, and described second light intensity sensor is connected with described controller;
Described first light intensity sensor is for measuring the brightness of environment residing for described terminal, and described second light intensity sensor is for measuring the brightness of described backlight.
3. terminal as claimed in claim 1, is characterized in that, also comprise: the first backlight drive circuit and the second backlight drive circuit, wherein:
The light modulation input of described first backlight drive circuit is connected with the first pulse output end of described controller, and the power output end of described first backlight drive circuit is connected with the power input of described backlight;
The light modulation input of described second backlight drive circuit is connected with the second pulse output end of described controller, and the power output end of described second backlight drive circuit is connected with the power input of described individual light-emitting diodes.
4. terminal as claimed in claim 1, it is characterized in that, described backlight comprises N number of light-emitting diode, described N number of light-emitting diode is arranged in the side that described backlight contacts with described display screen, described N number of light-emitting diode is guide-lighting by N number of bar shaped light guiding film of longitudinal arrangement respectively, and described N number of bar shaped light guiding film covers whole described backlight; Described N is natural number.
5. terminal as claimed in claim 1, it is characterized in that, described backlight comprises N number of light-emitting diode, described N number of light-emitting diode is arranged in the side that described backlight contacts with described display screen, described individual light-emitting diodes and described N number of light-emitting diode line up row, described N number of light-emitting diode is divided into the both sides that two groups are arranged in described individual light-emitting diodes respectively, be horizontally arranged in described backlight in parallel with the bar shaped light guiding film of described individual light-emitting diodes of described N number of bar shaped light guiding film.
6. terminal as claimed in claim 5, it is characterized in that, described controller is used for when the brightness of environment residing for described terminal is less than or equal to predetermined luminance ratio with the ratio of the brightness of described backlight, controls described first pulse output end and described second pulse output end exports identical pulse signal.
7. terminal as claimed in claim 3, it is characterized in that, described backlight comprises N number of light-emitting diode, described N number of light-emitting diode series connection, described first backlight drive circuit is constant current mode drive circuit, the power output end of described first backlight drive circuit exports the electric current of constant magnitude, in order to drive described N number of lumination of light emitting diode of series connection.
8. terminal as claimed in claim 3, it is characterized in that, described backlight comprises N number of light-emitting diode, described N number of light-emitting diode is in parallel, described first backlight drive circuit is type voltage regulation drive circuit, the power output end of described first backlight drive circuit exports the constant voltage of size, in order to drive described N number of lumination of light emitting diode in parallel.
9. terminal as claimed in claim 1, it is characterized in that, described backlight comprises N number of lamp group, and each lamp group comprises the light-emitting diode of M series connection, and described N number of lamp group is connected, in order to provide the light source of described backlight by mode in parallel; Described N is natural number, and described M is natural number.
10. terminal as claimed in claim 1, it is characterized in that, described backlight comprises N number of lamp group, and each lamp group comprises M light-emitting diode in parallel, and described N number of lamp group is connected, in order to provide the light source of described backlight by the mode of series connection; Described N is natural number, and described M is natural number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520191553.XU CN204652442U (en) | 2015-04-01 | 2015-04-01 | A kind of terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520191553.XU CN204652442U (en) | 2015-04-01 | 2015-04-01 | A kind of terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204652442U true CN204652442U (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520191553.XU Expired - Fee Related CN204652442U (en) | 2015-04-01 | 2015-04-01 | A kind of terminal |
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| Country | Link |
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| CN (1) | CN204652442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105895055A (en) * | 2016-05-31 | 2016-08-24 | 信利半导体有限公司 | Screen brightness regulating method and regulating system as well as display device |
-
2015
- 2015-04-01 CN CN201520191553.XU patent/CN204652442U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105895055A (en) * | 2016-05-31 | 2016-08-24 | 信利半导体有限公司 | Screen brightness regulating method and regulating system as well as display device |
| CN105895055B (en) * | 2016-05-31 | 2018-04-06 | 信利半导体有限公司 | A kind of screen luminance adjustment method and regulating system, display device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20180401 |
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| CF01 | Termination of patent right due to non-payment of annual fee |