CN206960695U

CN206960695U - A kind of high screen accounting backlight module

Info

Publication number: CN206960695U
Application number: CN201720599845.6U
Authority: CN
Inventors: 庄世强; 彭益; 李兵
Original assignee: Shenzhen Longli Technology Co Ltd
Current assignee: Shenzhen Longli Technology Co Ltd
Priority date: 2017-05-26
Filing date: 2017-05-26
Publication date: 2018-02-02
Anticipated expiration: 2027-05-26

Abstract

The utility model discloses a kind of high screen accounting backlight module, including：Light guide plate and the light source located at the light guide plate incident side, the light guide plate include：The first exiting surface positioned at the light guide plate top and two second exiting surfaces positioned at the light guide plate bottom, a space for being used to set virtual key is formed between two second exiting surface.The utility model, which leads to increase in module bottom, sets two second exiting surfaces, add screen accounting, the first exiting surface is set above two second exiting surfaces, by shortening light path, the area of frame is reduced, so as to expand the area of the first exiting surface, further increase screen accounting, generally speaking, more than 10% screen accounting can be lifted, more optimizes the visual experience of consumer.The light on and off of first exiting surface and the second exiting surface can be controlled respectively, and when only the second exiting surface is run, only part LED is run, and is not only reduced power consumption but also has been saved electricity.

Description

A kind of high screen accounting backlight module

Technical field

It the utility model is related to a kind of backlight module, more particularly to a kind of high screen accounting backlight module.

Background technology

The tide of changing planes of smart mobile phone is pass by the market, and seller exists to promote the desire of changing planes of consumer Start courageously to contemplate in the profile and visual enjoyment of smart mobile phone, the mobile phone of height screen accounting is increasingly favored by consumer.Screen Accounting refers to the relative ratio of screen and Mobile telephone front panel area, and it is to be easier to obtain vision good opinion in cell phone appearance design Parameter.At present the situation of mobile phone be screen account for it is smaller, particularly upper and lower side frame because receiver, camera, HOME keys occupy compared with Big screen accounting, causes on the premise of profile, and screen accounting utilization rate is relatively low.It is how constant in conventional mobile phone profile overall dimensions On the premise of, screen accounting is increased, reduces mobile phone frame up and down, to give consumer more preferable visual experience, it has also become current weight Want one of research direction.

Therefore, the prior art is defective, it is necessary to improve.

Utility model content

The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of high screen accounting backlight module.

The technical solution of the utility model is as follows：A kind of high screen accounting backlight module, including：Light guide plate and located at described The light source of light guide plate incident side, the light guide plate include：Positioned at first exiting surface on the light guide plate top and positioned at described Two second exiting surfaces of light guide plate bottom, a space for being used to set virtual key is formed between two second exiting surface.It is described Two second exiting surfaces are symmetrical and area equation, check date-time, are checking weather forecast or situations such as display incoming information Under, it is only necessary to light the second exiting surface.

Further, first exiting surface and two second exiting surfaces are arranged in " product " font.

Further, the light source includes FPC, some first LEDs being welded on the FPC And some second LEDs on the FPC are welded in, first LED is arranged alternately with the second LED, institute The first LED is stated to be separately controlled with the second LED.When only the second exiting surface is shown, the second LED is only controlled accordingly Operation, can greatly reduce power consumption and save electricity.In the case where needing to be displayed in full screen, full frame, the first LED and the is lighted Two LEDs are lit.

Further, first LED uses 1803LED chips with the second LED, and light path is by original 3.0mm 1.7mm is tapered to, shortens light path, thus bottom frame shortens to 2.9mm by original 5.94mm, so as to reduce frame institute The area accounted for, considerably increase the area shared by the first exiting surface.

Further, the side of the light guide plate is rectangle, is easy to optical treatment, and light utilization is high, machine-shaping Simply.

Further, the FPC carries out Darkening process, and surface forms a light shield layer, so as to solve the lamp that short light path is brought Mouth hot spot and Hot-spot phenomenons.

Further, light guide plate top two corners are provided with chamfering, make mobile phone profile more personalized.

Further, the high screen accounting backlight module also includes：Backboard, the reflector plate in the backboard and set Optical diaphragm group on the light guide plate, the light guide plate is interior located at the backboard and is located at the reflector plate and blooming piece Between group.

Using such scheme, the utility model provides a kind of abnormity high screen accounting backlight module, and in module bottom, increase is set Two second exiting surfaces are put, can individually show date time, weather forecast or incoming information etc., add screen accounting, two First exiting surface is set above two exiting surfaces, and by shortening light path, reduces the area of frame, is gone out so as to expand first The area of smooth surface, screen accounting is further increased, generally speaking, more than 10% screen accounting can be lifted, more optimization consumption The visual experience of person.The light on and off of first exiting surface and the second exiting surface can control respectively, when only the second exiting surface is run, Correspondingly there was only the operation of the second LED, not only reduce power consumption but also saved electricity.

Brief description of the drawings

Fig. 1 is front view of the present utility model.

Fig. 2 is right view of the present utility model.

Embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.

Fig. 1 and Fig. 2 is referred to, the utility model provides a kind of high screen accounting backlight module, including：Light guide plate 10 and set In the light source of the incident side of light guide plate 10, the light guide plate 10 includes：The first exiting surface positioned at the top of light guide plate 10 50 and two second exiting surfaces 60 positioned at the bottom of light guide plate 10, one, which is formed, between two second exiting surface 60 is used to set The space of virtual key is put, the virtual key 40 is Home key.The exiting surface 60 of first exiting surface 50 and two second is in " product " word Type is arranged, when checking date-time, checking weather forecast or showing incoming information, it is only necessary to light the second light extraction Face 60.The light source include FPC 20, some first LEDs 30 for being welded on the FPC 20 with And some second LEDs 31 on the FPC 20 are welded in, first LED 30 replaces with the second LED 31 Set, first LED 30 is separately controlled with the second LED 31.When only the second exiting surface 60 is shown, accordingly only Control the second LED 31 to run, power consumption can be greatly reduced and save electricity.In the case where needing to be displayed in full screen, light complete Screen, the first LED 30 are lit with the second LED 31.

In the present embodiment, the LED of the first LED 30 and second is provided with 20 altogether, than the LED numbers of conventional light source It is more, it is conveniently adjusted lighting effects while lifts brightness.The LED 31 of first LED 30 and second uses 1803LED cores Piece, light path taper to 1.7mm by original 3.0mm, shorten light path, thus bottom frame is shortened to by original 5.94mm 2.9mm, so as to reduce the area shared by frame, considerably increase the area shared by the first exiting surface 50.The light guide plate 10 be plate light guide plate, and its side is rectangle, is easy to optical treatment, and light utilization is high, and machine-shaping is simple.It is described FPC20 carries out Darkening process, and surface forms a light shield layer, shows so as to solve socket hot spot that short light path brings and Hot-spot As.The top two corners of light guide plate 10 are provided with chamfering, make mobile phone profile more personalized.

The high screen accounting backlight module also includes：Backboard 70, the reflector plate 80 in the backboard 70 and it is located at Optical diaphragm group 90 on the light guide plate 10, the light guide plate 10 in the backboard 70 and positioned at the reflector plate 80 with Between optical diaphragm group 90.

In summary, the utility model provides a kind of abnormity high screen accounting backlight module, and in module bottom, increase sets two Second exiting surface 60, can individually show date time, weather forecast or incoming information etc., screen accounting be added, two second First exiting surface 50 is set above exiting surface, and by shortening light path, reduces the area of frame, so as to expand the first light extraction The area in face, screen accounting is further increased, generally speaking, more than 10% screen accounting can be lifted, more optimize consumer Visual experience.The light on and off of first exiting surface 50 and the second exiting surface 60 can control respectively, when only the second exiting surface 60 is transported During row, correspondingly only the second LED 31 is run, and is not only reduced power consumption but also has been saved electricity.

Preferred embodiment of the present utility model is these are only, is not limited to the utility model, it is all in this practicality All any modification, equivalent and improvement made within new spirit and principle etc., should be included in guarantor of the present utility model Within the scope of shield.

Claims

A kind of 1. high screen accounting backlight module, it is characterised in that including：Light guide plate and the light located at the light guide plate incident side Source, the light guide plate include：The first exiting surface positioned at the light guide plate top and two positioned at the light guide plate bottom Two exiting surfaces, a space for being used to set virtual key is formed between two second exiting surface.
2. high screen accounting backlight module according to claim 1, it is characterised in that first exiting surface goes out with two second Smooth surface is arranged in " product " font.
3. high screen accounting backlight module according to claim 1, it is characterised in that the light source include FPC, Some first LEDs being welded on the FPC and some 2nd LED being welded on the FPC Lamp, first LED are arranged alternately with the second LED, and first LED is separately controlled with the second LED.
4. high screen accounting backlight module according to claim 3, it is characterised in that first LED and the second LED Use 1803LED chips.
5. high screen accounting backlight module according to claim 1, it is characterised in that the side of the light guide plate is rectangle.
6. high screen accounting backlight module according to claim 3, it is characterised in that the FPC is carried out at melanism Reason, surface form a light shield layer.
7. high screen accounting backlight module according to claim 1, it is characterised in that light guide plate top two corners are provided with Angle.
8. high screen accounting backlight module according to claim 1, it is characterised in that also include：Backboard, located at the backboard Interior reflector plate and the optical diaphragm group on the light guide plate, the light guide plate is interior located at the backboard and is located at institute State between reflector plate and optical diaphragm group.