CN205643973U - Backlight unit and electronic equipment - Google Patents
Backlight unit and electronic equipment Download PDFInfo
- Publication number
- CN205643973U CN205643973U CN201620478735.XU CN201620478735U CN205643973U CN 205643973 U CN205643973 U CN 205643973U CN 201620478735 U CN201620478735 U CN 201620478735U CN 205643973 U CN205643973 U CN 205643973U
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- CN
- China
- Prior art keywords
- light guide
- fingerprint identification
- guide plate
- identification sensor
- prismatic lens
- 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.)
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model provides a backlight unit, be in with the integration including control chip at least one fingerprint identification sensor among the backlight unit, at least one fingerprint identification sensor with the control chip electricity is connected. According to the utility model discloses an integration of fingerprint identification sensor need not to dig the hole on electronic equipment's apron or shell in backlight unit to promote electronic equipment's leakproofness, improve electronic equipment's outward appearance and make electronic equipment's thickness attenuation. The utility model provides an electronic equipment.
Description
Technical field
This utility model relates to Display Technique field, particularly relates to a kind of backlight module and electronic equipment.
Background technology
In electronic equipment, the fingerprint Identification sensor of configuration can identify the fingerprint of user, and the fingerprint to user
Verify, after being verified, it is allowed to user operation electronic equipment, thus avoid electronic equipment strange
People operates, it is ensured that the safety of electronic equipment.
In existing electronic equipment, fingerprint Identification sensor when mounted, need electronic equipment cover plate or
Borehole on shell, can damage the sealing of electronic equipment, and affects the outward appearance of electronic equipment, and electronics
The fingerprint Identification sensor arranged in equipment can increase the thickness of electronic equipment further.
Utility model content
This utility model provides a kind of backlight module and electronic equipment, it is not necessary at cover plate or the shell of electronic equipment
Upper borehole, thus promote the sealing of electronic equipment, improve the outward appearance of electronic equipment and make electronic equipment
Lower thickness.
This utility model provides a kind of backlight module, including control chip be integrated in described backlight module
At least one fingerprint Identification sensor, at least one fingerprint Identification sensor described is electrically connected with described control chip
Connect.
Wherein, also including light guide plate, diffusion sheet, lower prismatic lens and upper prismatic lens, described light guide plate includes phase
To the exiting surface arranged and shady face, described diffusion sheet, described lower prismatic lens and described upper prismatic lens layer successively
Being stacked on the described exiting surface of described light guide plate, at least one fingerprint Identification sensor described is arranged on described
Prismatic lens deviates between side or described upper prismatic lens and the described light guide plate of described light guide plate.
Wherein, also including light guide plate, diffusion sheet, lower prismatic lens and upper prismatic lens, described light guide plate includes phase
To the exiting surface arranged and shady face, described diffusion sheet, described lower prismatic lens and described upper prismatic lens layer successively
Be stacked on the described exiting surface of described light guide plate, at least one fingerprint Identification sensor described be arranged on described in lead
The side deviating from described upper prismatic lens of tabula rasa.
Wherein, also include the reflector plate being layered on the described shady face of described light guide plate, described at least one
Fingerprint Identification sensor is arranged on the surface towards described light guide plate of described reflector plate.
Wherein, also include the reflector plate being layered on the described shady face of described light guide plate, described at least one
Fingerprint Identification sensor is arranged on the surface deviating from described light guide plate of described reflector plate.
Wherein, at least one fingerprint Identification sensor described uniformly and is dispersedly arranged.
Wherein, at least one fingerprint Identification sensor described is capacitance type fingerprint identification sensor.
Wherein, at least one fingerprint Identification sensor described is ultrasonic type fingerprint Identification sensor.
This utility model also provides for a kind of electronic equipment, including the backlight module as described in aforementioned any one.
Compared to prior art, fingerprint Identification sensor of the present utility model is integrated in backlight module, user
By touching the touch screen that is located on backlight module of lid or backboard can realize fingerprint identification function, thus nothing
Need on the cover plate of electronic equipment or shell borehole, therefore promote the sealing of electronic equipment, improve electronics and set
Standby outward appearance and make the lower thickness of electronic equipment.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below by right
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that below,
Accompanying drawing in description is only embodiments more of the present utility model, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the first embodiment according to backlight module of the present utility model；
Fig. 2 is the floor map of the upper prismatic lens of the backlight module of Fig. 1；
Fig. 3 is the structural representation of the second embodiment according to backlight module of the present utility model；
Fig. 4 is the structural representation of the 3rd embodiment according to backlight module of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technical side in this utility model embodiment
Case is clearly and completely described, it is clear that described embodiment is only that this utility model part is real
Execute example rather than whole embodiments.Based on the embodiment in this utility model, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, broadly falls into this utility model
The scope of protection.
Control chip is included and at least one being integrated in backlight module according to backlight module of the present utility model
Fingerprint Identification sensor, this at least one fingerprint Identification sensor and control chip electrical connection, this control chip
Control the break-make of this at least one fingerprint Identification sensor, and when user is including the electronics of this backlight module
On the contact panel of equipment or backboard during operation, the finger print information that fingerprint Identification sensor obtains is transferred to control
After chip, finger print information can be identified by control chip, and with the finger print information accessed carry out right
Ratio, if the finger print information that acquired finger print information is retained with user is consistent, control chip sends accordingly
Unlocking signal.Whereas if acquired finger print information is inconsistent with the finger print information of retention, control core
Sheet then will not send unlocking signal.This utility model by fingerprint Identification sensor is integrated in backlight module,
Touch screen or backboard that user is located on backlight module by touching lid can realize fingerprint identification function, from
And without borehole on the cover plate or shell of electronic equipment, therefore promote the sealing of electronic equipment, improve electricity
The outward appearance of subset and make the lower thickness of electronic equipment.
Specifically, with reference to Fig. 1, backlight module 1 includes light source 11, light guide plate 12, diffusion sheet 13, lower rib
Eyeglass 14, upper prismatic lens 15, fingerprint Identification sensor 17 and control chip (not shown).In the present embodiment
Backlight module be side entrance back module, light source 11 is for providing light source, light source 11 behind at liquid crystal panel
Type include but not limited to EL (Electroluminescence, electroluminescent), CCFL (Cold Cathode
Fluorescent Lamp, cathode fluorescent tube), LED (Light Emitting Diode, light emitting diode)
Etc. any one in type.
Light guide plate 12 for the light-output that light source 11 is launched, light guide plate 12 include exiting surface 121 and
The shady face 122 that exiting surface 121 is oppositely arranged and connection exiting surface 121 and the side 123 of shady face 122,
And light source 11 adjacent to the side 123 of light guide plate 12 to launch light to light guide plate 12.Diffusion sheet 13, lower rib
Eyeglass 14 and upper prismatic lens 15 are cascading on the exiting surface 121 of light guide plate 12.Diffusion sheet 13
Light for deriving light guide plate 12 is diffused, to ensure the uniform of light.Lower prismatic lens 14 is arranged at
Above diffusion sheet 13, upper prismatic lens 15 is arranged at above lower prismatic lens 14, upper prismatic lens 15 and lower prism
Sheet 14 is for collecting the light of diffusion sheet 13 diffusion, to improve the brightness of light.
As it is shown in figure 1, fingerprint Identification sensor 17 is arranged on the table deviating from light guide plate 12 of prismatic lens 15
On face.Such as fingerprint Identification sensor 17 deviates from light guide plate 12 by what viscose was bonded in upper prismatic lens 15
On surface.Fingerprint Identification sensor 17 is capacitance type fingerprint identification sensor, and therefore, user is covered by touch
The touch screen being located on backlight module or backboard can realize fingerprint identification function, thus without setting at electronics
Borehole on standby cover plate or shell, therefore promotes the sealing of electronic equipment, improves the outward appearance of electronic equipment also
And make the lower thickness of electronic equipment.Additionally, fingerprint Identification sensor 17 is preferably ultrasonic fingerprint identification
Sensor, relative to capacitance type fingerprint identification sensor, ultrasonic fingerprint identification sensor can be more accurate
Ground identifies the fingerprint of user, it is to avoid the identification mistake caused because finger is moist or dirty etc., and also permissible
Realize noncontact fingerprint recognition.
It is to be appreciated that fingerprint Identification sensor 17 can by viscose stick to upper prismatic lens 15 towards leading
On the surface of tabula rasa 12, or on each surface of light guide plate 12, diffusion sheet 13 or lower prismatic lens 14.Preferably
Ground, fingerprint Identification sensor 17 is made up of high transmission rate material, thus is not interfered with each film of backlight module
The light transmittance of sheet, it is ensured that the display effect of LCD display is unaffected.
With reference to Fig. 2, the surface deviating from light guide plate 12 of upper prismatic lens 15 is provided with multiple fingerprint Identification sensor
17, the plurality of fingerprint Identification sensor 17 perfectly even and is dispersedly distributed, and can avoid user's finger manipulation
Position fingerprint Identification sensor of not arranging cause the problem that fingerprint recognition is failed, fingerprint recognition can be improved
Success rate.
With reference to Fig. 3, it is shown that according to the backlight module 2 of the second embodiment of the present utility model, this backlight module 2
Including light source 21, light guide plate 22, diffusion sheet 23, lower prismatic lens 24, upper prismatic lens 25, reflector plate 26,
Fingerprint Identification sensor layer 27 and control chip (not shown), fingerprint Identification sensor layer 27 includes multiple finger
Stricture of vagina identification sensor, this fingerprint Identification sensor layer 27 is arranged between lower prismatic lens 24 and upper prismatic lens 25,
Adhere on the surface of each diaphragm of backlight module relative to by multiple fingerprint Identification sensors, independent fingerprint
Identify that sensor layer 27, after independent fabrication schedule is made, only need to place it in lower prismatic lens 24
And be packaged between upper prismatic lens 25, therefore convenient manufacture and encapsulation.
Fingerprint Identification sensor layer 27 is provided with multiple fingerprint Identification sensor, and the plurality of fingerprint Identification sensor is excellent
Choosing uniformly and is dispersedly distributed, and the position of user's finger manipulation can be avoided not arrange fingerprint Identification sensor
Cause the problem that fingerprint recognition is failed, the success rate of fingerprint recognition can be improved.
Further, fingerprint Identification sensor layer 27 can also be placed on other positions, such as, go up prismatic lens 25
The side deviating from light guide plate 22, upper prismatic lens 25 and lower prismatic lens 24 between etc., preferably fingerprint recognition pass
Sensor layer 27 is made up of high transmission rate material, thus does not interferes with the light transmittance of each diaphragm of backlight module,
Guarantee that the display effect of LCD display is unaffected.
With reference to Fig. 4, it is shown that according to the backlight module 3 of the 3rd embodiment of the present utility model, this backlight module 3
Including light source 31, light guide plate 32, diffusion sheet 33, lower prismatic lens 34, upper prismatic lens 35, reflector plate 36 and
Control chip (not shown), fingerprint Identification sensor 37 be arranged on reflector plate 36 towards light guide plate 32
On surface, such as fingerprint Identification sensor 37 by viscose be bonded in reflector plate 36 towards light guide plate 32
On surface.This fingerprint Identification sensor 37 is preferably made up of highly reflective material, such as silicon wafer, and cost is relatively
Low and do not interfere with the reflecting properties of reflector plate 36.This setup of fingerprint Identification sensor 37 is not
The transmission in light that light guide plate 32 the sends each diaphragm in backlight module 3 can be affected, it can be ensured that LCD
The display effect of display screen is unaffected.
Additionally, fingerprint Identification sensor 37 can also be arranged on the surface deviating from light guide plate 32 of reflector plate 36
On, therefore, fingerprint Identification sensor 37 does not interferes with light transmission in each diaphragm of backlight module 3,
Being able to ensure that the display effect of LCD display is unaffected, now, the fingerprint of fingerprint sensor 37 obtains
Mode is set in the following manner: user when including operating on the backboard of electronic equipment of backlight module 3,
Such as swiping or touch, fingerprint sensor 37 can also obtain the finger print information of user, therefore, it is possible to avoid the back of the body
Each diaphragm of light module 3 produces impact to the signal of telecommunication of fingerprint sensor 37, it is ensured that the accuracy of finger print information.
Each embodiment of the present utility model only illustrates with side entrance back module for example, this utility model
Can be applicable to down straight aphototropism mode set.
Backlight module provided by the utility model may be used in various electronic equipment, and such as, this electronics sets
For being mobile phone, computer, digital broadcast terminal, messaging devices, game console, put down
Board device, armarium, body-building equipment and personal digital assistant etc..
Above disclosed only this utility model preferred embodiment, can not limit this reality with this certainly
By novel interest field, one of ordinary skill in the art will appreciate that and realize the whole of above-described embodiment or portion
Split flow, and the equivalent variations made according to this utility model claim, still fall within what utility model was contained
Scope.
Claims (9)
1. a backlight module, it is characterised in that include control chip and be integrated in described backlight module
At least one fingerprint Identification sensor, at least one fingerprint Identification sensor described is electrically connected with described control chip
Connect.
2. backlight module as claimed in claim 1, it is characterised in that also include light guide plate, diffusion sheet,
Lower prismatic lens and upper prismatic lens, described light guide plate includes exiting surface and the shady face being oppositely arranged, described diffusion
Sheet, described lower prismatic lens and described upper prismatic lens are sequentially laminated on the described exiting surface of described light guide plate, institute
State at least one fingerprint Identification sensor to be arranged on described upper prismatic lens and deviate from side or the institute of described light guide plate
State between prismatic lens and described light guide plate.
3. backlight module as claimed in claim 1, it is characterised in that also include light guide plate, diffusion sheet,
Lower prismatic lens and upper prismatic lens, described light guide plate includes exiting surface and the shady face being oppositely arranged, described diffusion
Sheet, described lower prismatic lens and described upper prismatic lens are sequentially laminated on the described exiting surface of described light guide plate, institute
State at least one fingerprint Identification sensor and be arranged on the side deviating from described upper prismatic lens of described light guide plate.
4. backlight module as claimed in claim 3, it is characterised in that also include being layered in described light guide plate
Described shady face on reflector plate, at least one fingerprint Identification sensor described is arranged on described reflector plate
On the surface of described light guide plate.
5. backlight module as claimed in claim 3, it is characterised in that also include being layered in described light guide plate
Described shady face on reflector plate, at least one fingerprint Identification sensor described is arranged on described reflector plate
Deviate from the surface of described light guide plate.
6. the backlight module as described in any one of claim 2 to 5, it is characterised in that described at least one
Fingerprint Identification sensor uniformly and is dispersedly arranged.
7. backlight module as claimed in claim 6, it is characterised in that at least one fingerprint recognition described passes
Sensor is capacitance type fingerprint identification sensor.
8. backlight module as claimed in claim 7, it is characterised in that at least one fingerprint recognition described passes
Sensor is ultrasonic type fingerprint Identification sensor.
9. an electronic equipment, it is characterised in that include the backlight as described in any one of claim 1 to 8
Module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620478735.XU CN205643973U (en) | 2016-05-24 | 2016-05-24 | Backlight unit and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620478735.XU CN205643973U (en) | 2016-05-24 | 2016-05-24 | Backlight unit and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205643973U true CN205643973U (en) | 2016-10-12 |
Family
ID=57055719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620478735.XU Expired - Fee Related CN205643973U (en) | 2016-05-24 | 2016-05-24 | Backlight unit and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205643973U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108122501A (en) * | 2016-11-30 | 2018-06-05 | 乐金显示有限公司 | It is embedded with the flat-panel monitor of optical image sensor |
| CN108932466A (en) * | 2017-05-24 | 2018-12-04 | 义隆电子股份有限公司 | Electronic device and image capturing module thereof |
| CN110738193A (en) * | 2019-10-31 | 2020-01-31 | 维沃移动通信有限公司 | Electronic device |
-
2016
- 2016-05-24 CN CN201620478735.XU patent/CN205643973U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108122501A (en) * | 2016-11-30 | 2018-06-05 | 乐金显示有限公司 | It is embedded with the flat-panel monitor of optical image sensor |
| US10943944B2 (en) | 2016-11-30 | 2021-03-09 | Lg Display Co., Ltd. | Flat panel display having embedded optical imaging sensor located at rear surface of display |
| CN108932466A (en) * | 2017-05-24 | 2018-12-04 | 义隆电子股份有限公司 | Electronic device and image capturing module thereof |
| CN110738193A (en) * | 2019-10-31 | 2020-01-31 | 维沃移动通信有限公司 | Electronic device |
| CN110738193B (en) * | 2019-10-31 | 2024-01-12 | 维沃移动通信有限公司 | Electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20180524 |