CN109493754A - The LOGO light emitting device of a kind of electronic equipment - Google Patents
The LOGO light emitting device of a kind of electronic equipment Download PDFInfo
- Publication number
- CN109493754A CN109493754A CN201710829873.7A CN201710829873A CN109493754A CN 109493754 A CN109493754 A CN 109493754A CN 201710829873 A CN201710829873 A CN 201710829873A CN 109493754 A CN109493754 A CN 109493754A
- Authority
- CN
- China
- Prior art keywords
- electronic equipment
- light emitting
- logo
- backlight
- emitting 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/005—Illumination controller or illuminated signs including an illumination control system
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/0404—Signs, boards or panels, illuminated from behind the insignia the light source being enclosed in a box forming the character of the sign
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/08—Signs, boards or panels, illuminated from behind the insignia using both translucent and non-translucent layers
- G09F13/10—Signs, boards or panels, illuminated from behind the insignia using both translucent and non-translucent layers using transparencies
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention discloses the LOGO light emitting devices of a kind of electronic equipment, it is formed including electronic equipment housing, LOGO label, backlight and circuit board, LOGO label is embedded in electronic equipment housing, and is located above backlight, and backlight is powered by circuit board connected to it.On circuit boards, electronic equipment CPU controls signal output interface and issues control signal to switch element, switch element controls the opening and closing of backlight under the influence of control signals, the LOGO label on electronic equipment is set to shine, also can be high-visible in dark, fashion is beautiful and more eye-catching.
Description
Technical field
The present invention relates to LOGO (logogram, the marks of electronic equipment manufacturing technical field more particularly to a kind of electronic equipment
Know, logo) light emitting device.
Background technique
Conventional electronic devices, for example the LOGO of communication electronic device terminal is usually to print one in plastic structural part outer surface
Layer silk-screen, this manufacturing method is simple, and the LOGO of energy clear marking difference communication electronic device terminal shows that manufacturer etc. believes
Breath.With the development of electronic equipment, type and model are also more and more, and requirement of the user to electronic device terminal LOGO is more next
It is higher, it is not required nothing more than and meets basic functional requirement under ordinary ray, also requires the LOGO of electronic device terminal in light
It also can be high-visible when darker.
Summary of the invention
The technical problem to be solved by the present invention is to provide the LOGO light emitting device of a kind of electronic equipment, make on electronic equipment
LOGO label can shine.
The technical solution adopted by the present invention is that the LOGO light emitting device of the electronic equipment, including electronic equipment housing,
LOGO label, backlight and circuit board composition, LOGO label expose from the hollow part of electronic equipment housing, and backlight is located at
The top of LOGO label is simultaneously powered by circuit board connected to it.
The LOGO label is made of transparent plastic, glass, resin or acrylic PMMA material.
The circuit board includes electronic equipment CPU control signal output interface, switch element and backlight source interface, switch member
The control port of part is connected with electronic equipment CPU control signal output interface, switch element output port and backlight source interface phase
Even, electronic equipment CPU controls signal output interface and issues control signal, effect of the switch element in control signal to switch element
The opening and closing of lower control backlight.
The opening and closing that the switch element controls backlight under the influence of control signals include:
When electronic equipment CPU control signal output interface output high level signal, switching elements conductive, backlight is opened
It opens；
When electronic equipment CPU control signal output interface output low level signal, switch element cut-off, backlight is closed
It closes.
The electronic equipment CPU control signal output interface is that universal input/output interface GPIO, CS interface or EN connect
Mouthful.
The switch element is triode.
The switch element is field-effect tube.
Reflecting coating is equipped with around backlight on the circuit board.
The reflecting coating is silver, zinc, white paint or PET film, and thickness is in 10um-50um.
The backlight is light emitting semiconductor device.
By adopting the above technical scheme, the present invention at least has the advantage that
The LOGO light emitting device of electronic equipment of the present invention, including electronic equipment housing, LOGO label, backlight and
Circuit board composition, LOGO label are embedded in electronic equipment housing, and are located above backlight, and backlight is by connected to it
Circuit board power supply.On circuit boards, electronic equipment CPU controls signal output interface and issues control signal, switch to switch element
Element controls the opening and closing of backlight under the influence of control signals, and the LOGO label on electronic equipment is enable to shine,
Also can be high-visible in dark, fashion is beautiful and more eye-catching.
Detailed description of the invention
Fig. 1 is the LOGO light emitting device composition schematic diagram of electronic equipment described in first embodiment of the invention；
Fig. 2 is the LOGO light emitting device vertical cut-away schematic view of electronic equipment described in first embodiment of the invention；
Fig. 3 is the circuit board schematic illustration in first embodiment of the invention；
Fig. 4 is the LOGO light emitting device composition schematic diagram of electronic equipment described in second embodiment of the invention；
Fig. 5 is the LOGO light emitting device vertical cut-away schematic view of electronic equipment described in second embodiment of the invention；
Fig. 6 is the circuit board schematic illustration in second embodiment of the invention.
Specific embodiment
Further to illustrate the present invention to reach the technical means and efficacy that predetermined purpose is taken, below in conjunction with attached drawing
And preferred embodiment, to the LOGO light emitting device of the electronic equipment proposed by the present invention, detailed description is as follows.
First embodiment of the invention, as shown in Figure 1, the LOGO light emitting device of a kind of electronic equipment, including outside electronic equipment
Shell 1, LOGO label 2, backlight 3 and circuit board 4.The vertical section of the device is as shown in Fig. 2, LOGO label 2 is set from electronics
Standby 1 hollow part of outer housing exposes, and in the lower section of electronic equipment housing 1, connection is integral, the protrusion of LOGO label 2 with
The exact matching of 1 hollow part of electronic equipment housing, LOGO label 2 is using transparent plastic, glass, resin or acrylic PMMA material
Material is made.Backlight 3 is located at 2 lower section of LOGO label, and backlight 3 is powered by circuit board 4 connected to it.Backlight 3 is partly to lead
Body luminescent device, such as the light emitting diode D1 in Fig. 3.
As shown in figure 3, circuit board 4 is the PCB (Printed Circuit Board, printed circuit board) in electronic equipment,
The working power and control circuit of component needed for being integrated with electronic device works thereon and backlight 3.Circuit board 4 includes electricity
Sub- equipment CPU control signal output interface GPIO (General Purpose InputOutput, universal input output), conduct
NPN triode Q1, backlight source interface and the biasing resistor R1 and protective resistance R2 of switch element, electronic equipment CPU control letter
Number output interface GPIO can also be substituted by CS interface or EN interface.
NPN triode Q1 and light emitting diode D1 are powered by the power vd D on electronic equipment, and power vd D passes through protection electricity
Resistance R2 is connected with the collector of NPN triode Q1, and the filter capacitor C1 of power vd D is connected in parallel on the both ends light emitting diode D1.Electronics
Equipment CPU control signal output interface GPIO is connected by biasing resistor R1 with the base stage of NPN triode Q1, NPN triode Q1
Emitter and collector be connected with backlight source interface, specifically, the collector of NPN triode Q1 and light emitting diode D1 are just
Extremely it is connected, the emitter of NPN triode Q1 is connected with the cathode of light emitting diode D1.Electronic equipment CPU control signal output connects
Mouth GPIO issues control signal to NPN triode Q1, and NPN triode Q1 controls light emitting diode D1 under the influence of control signals
Opening and closing, control principle is as follows:
When electronic equipment CPU control signal output interface GPIO output high level signal, NPN triode Q1 conducting, hair
Optical diode D1 is opened；
When electronic equipment CPU control signal output interface GPIO output low level signal, NPN triode Q1 cut-off, hair
Optical diode D1 is closed.
Second embodiment of the invention, as shown in figure 4, the LOGO light emitting device of a kind of electronic equipment, including outside electronic equipment
Shell 1, LOGO label 2, backlight 3, reflecting coating 5 and circuit board 4.The vertical section of the device is as shown in figure 5, LOGO label
2 expose from 1 hollow part of electronic equipment housing, and in the lower section of electronic equipment housing 1, connection is integral, LOGO label 2
Protrusion and 1 hollow part of electronic equipment housing exactly match, and LOGO label 2 is using transparent plastic, glass, resin or Asia
Gram force PMMA material is made.Backlight 3 is located at 2 lower section of LOGO label, and backlight 3 is powered by circuit board 4 connected to it.Backlight
Source 3 is the light emitting diode D1 in light emitting semiconductor device, such as Fig. 6.Reflecting coating 5 is attached to the upper surface of circuit board 4, and encloses
It is wound on the surrounding of light emitting diode D1, for reflecting the light of light emitting diode D1 sending, so that LOGO label is shone brighter, equal
It is even.Reflecting coating is silver, zinc, white paint or PET film, and thickness is in 10um-50um.
As shown in fig. 6, circuit board 4 is the pcb board in electronic equipment, it is integrated with first device needed for electronic device works thereon
The working power and control circuit of part and backlight 3.Circuit board 4 includes electronic equipment CPU control signal output interface GPIO, makees
For the field-effect tube Q2 of switch element, backlight source interface and biasing resistor R1 and protective resistance R2, electronic equipment CPU control letter
Number output interface GPIO can also be substituted by CS interface or EN interface.
N-channel enhancement mode FET Q2 and light emitting diode D1 is powered by the power vd D on electronic equipment, power vd D
It is connected by protective resistance R2 with the drain electrode of field-effect tube Q2, the filter capacitor C1 of power vd D is connected in parallel on light emitting diode D1 two
End.Electronic equipment CPU control signal output interface GPIO is connected by biasing resistor R1 with the grid of field-effect tube Q2, field-effect
The source electrode and drain electrode of pipe Q2 is connected with backlight source interface, specifically, the anode of the drain electrode of field-effect tube Q2 and light emitting diode D1
It is connected, the source electrode of field-effect tube Q2 is connected with the cathode of light emitting diode D1.Electronic equipment CPU controls signal output interface GPIO
To field-effect tube Q2 issue control signal, field-effect tube Q2 control under the influence of control signals light emitting diode D1 unlatching and
It closes, control principle is as follows:
When electronic equipment CPU control signal output interface GPIO output high level signal, field-effect tube Q2 conducting shines
Diode D1 is opened, and the light of sending is emitted through transparent LOGO label 2；
When electronic equipment CPU control signal output interface GPIO output low level signal, field-effect tube Q2 cut-off shines
Diode D1 is closed.
The LOGO light emitting device of electronic equipment of the present invention, electronic equipment CPU control signal output interface to switch member
Part issues control signal, and switch element controls the opening and closing of backlight under the influence of control signals, makes on electronic equipment
LOGO label can shine, also can be high-visible in dark, fashion is beautiful and more eye-catching.The back of LOGO label
Light source is provided by the control circuit on circuit board, and circuit is realized simple and convenient.
By the explanation of specific embodiment, the present invention can should be reached technological means that predetermined purpose is taken and
Effect is able to more deeply and specifically understand, however appended diagram is only to provide reference and description and is used, and is not used to this
Invention limits.
Claims (10)
1. the LOGO light emitting device of a kind of electronic equipment, which is characterized in that including electronic equipment housing, LOGO label, backlight
Source and circuit board composition, LOGO label expose from the hollow part of electronic equipment housing, and backlight is located at the top of LOGO label
And it is powered by circuit board connected to it.
2. the LOGO light emitting device of electronic equipment according to claim 1, which is characterized in that the LOGO label is using transparent
Plastics, glass, resin or acrylic PMMA material are made.
3. the LOGO light emitting device of electronic equipment according to claim 1 or claim 2, which is characterized in that the circuit board includes electricity
Sub- equipment CPU control signal output interface, switch element and backlight source interface, the control port and electronic equipment of switch element
CPU controls signal output interface and is connected, and switch element output port is connected with backlight source interface, and electronic equipment CPU controls signal
Output interface issues control signal to switch element, and switch element controls unlatching and the pass of backlight under the influence of control signals
It closes.
4. the LOGO light emitting device of electronic equipment according to claim 3, which is characterized in that the switch element is believed in control
Under the action of number control backlight opening and closing include:
When electronic equipment CPU control signal output interface output high level signal, switching elements conductive, backlight is opened；
When electronic equipment CPU control signal output interface output low level signal, switch element cut-off, backlight is closed.
5. the LOGO light emitting device of electronic equipment according to claim 3, which is characterized in that the electronic equipment CPU control
Signal output interface is universal input/output interface GPIO, CS interface or EN interface.
6. according to claim 3 or the LOGO light emitting device of the electronic equipment, which is characterized in that the switch element is three poles
Pipe.
7. the LOGO light emitting device of electronic equipment according to claim 3, which is characterized in that the switch element is field-effect
Pipe.
8. the LOGO light emitting device of according to claim 1 or 5 or 6 or 7 electronic equipments, which is characterized in that in the circuit
Reflecting coating is equipped with around backlight on plate.
9. the LOGO light emitting device of electronic equipment according to claim 8, which is characterized in that the reflecting coating be silver, zinc,
White paint or PET film, thickness is in 10um-50um.
10. the LOGO light emitting device of according to claim 1 or 2 or 6 or 7 or 8 electronic equipments, which is characterized in that the back
Light source is light emitting semiconductor device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710829873.7A CN109493754A (en) | 2017-09-11 | 2017-09-11 | The LOGO light emitting device of a kind of electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710829873.7A CN109493754A (en) | 2017-09-11 | 2017-09-11 | The LOGO light emitting device of a kind of electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109493754A true CN109493754A (en) | 2019-03-19 |
Family
ID=65689063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710829873.7A Pending CN109493754A (en) | 2017-09-11 | 2017-09-11 | The LOGO light emitting device of a kind of electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109493754A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110143073A (en) * | 2019-05-17 | 2019-08-20 | 重庆市海内尔橡塑制品有限公司 | Display screen local transparent LOGO manufacture craft |
| TWI723779B (en) * | 2020-02-19 | 2021-04-01 | 宏碁股份有限公司 | Display device |
| CN113496665A (en) * | 2020-03-20 | 2021-10-12 | 宏碁股份有限公司 | Display device |
-
2017
- 2017-09-11 CN CN201710829873.7A patent/CN109493754A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110143073A (en) * | 2019-05-17 | 2019-08-20 | 重庆市海内尔橡塑制品有限公司 | Display screen local transparent LOGO manufacture craft |
| TWI723779B (en) * | 2020-02-19 | 2021-04-01 | 宏碁股份有限公司 | Display device |
| US11189238B2 (en) | 2020-02-19 | 2021-11-30 | Acer Incorporated | Display device and electronic device |
| CN113496665A (en) * | 2020-03-20 | 2021-10-12 | 宏碁股份有限公司 | Display device |
| CN113496665B (en) * | 2020-03-20 | 2023-08-08 | 宏碁股份有限公司 | Display apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190319 |