CN208924286U

CN208924286U - A kind of cell phone rear cover and mobile phone

Info

Publication number: CN208924286U
Application number: CN201821535408.9U
Authority: CN
Inventors: 余小强; 申小玲
Original assignee: Shenzhen Easyquick Ltd By Share Ltd
Current assignee: Shenzhen Easyquick Ltd By Share Ltd
Priority date: 2018-09-19
Filing date: 2018-09-19
Publication date: 2019-05-31
Anticipated expiration: 2028-09-19

Abstract

The utility model discloses a kind of cell phone rear covers, and including reflecting layer, luminescent layer, transparent substrate layer and the hardened layer being cascading, luminescent layer includes several LED elements, and LED element is connected with driving circuit, and driving circuit and control module are electrically connected.The utility model uses a variety of LED elements, and when meeting different conditions, control cell phone rear cover issues light, the specific pattern of formation of particular color in specific region automatically, and the individual demand of user is met while eye-catching, user-friendly.

Description

A kind of cell phone rear cover and mobile phone

Technical field

The utility model relates to communication equipment fields, more particularly, to a kind of cell phone rear cover and mobile phone.

Background technique

With the continuous development of intelligent communication device, people are also higher and higher for the esthetic requirement of product appearance.For For mobile phone, the appearance of product itself has generally been fixed in purchase, how more on the basis of the appearance fixed The preference and feature for embodying user oneself are just at the major issue of vast equipment manufacturer.The solution party of mainstream at present Case be design different pattern, decorative pattern, material rear cover realize its aesthetics, but it will be apparent that for a rear cover For, its still only fixed color and pattern cannot achieve more personalized customization.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of cell phone rear cover that can be realized personalized customization and Mobile phone.

Technical solution adopted in the utility model is:

A kind of cell phone rear cover, including reflecting layer, light guide plate, luminescent layer, transparent substrate layer and the hardening being cascading Layer, luminescent layer include the LED element of several different colours, and LED element can be using the n-type electrode including being cascading Layer, n-type semiconductor layer, multiple quantum well layer, the structure of p-type semiconductor layer and p-type electrode layer, LED element are connected with driving circuit, Driving circuit is connected with control module.

Preferably, LED element is at least one of red-light LED element, blue LED elements, green light LED element.

It is further preferred that red-light LED element is GaAs LED element, blue-ray LED element is gallium nitride based LED element, Green light LED element is gallium phosphide LED element.

It is further preferred that LED element is red-light LED element, blue LED elements and green light LED element.

Preferably, driving circuit and control module are electrically connected.

Preferably, LED element forms array regular array, can be formed in point light source, linear light source or area source after arrangement One kind.

Preferably, reflecting layer is metallic reflector.

It is further preferred that the material in reflecting layer is mainly Ag.

Preferably, the material of hardened layer is selected from least one of aluminium oxide, silica, silicon carbide, aluminium nitride.

Preferably, the material of transparent substrate layer is at least one of PMMA, tempered glass, PC, CR-39.

A kind of mobile phone, including above-mentioned cell phone rear cover.

The beneficial effects of the utility model are:

The utility model passes through the company of control module according to customized LED arrangement mode using different LED elements It connects, it is automatically specific in the light of specific region sending particular color, formation can to control cell phone rear cover when meeting different conditions Pattern, the individual demand of user is met while eye-catching, it is user-friendly.The reflecting layer for including in LED element can The light of sending to be reflected back to the front side emitter of element, to control light emission direction, light extraction efficiency is improved, LED element is reduced and shines Color difference.In addition, the mechanical properties such as the hardness of rear cover can be promoted by covering increased hardened layer after, to enhance the anti-of product Effect is fallen, is hardly damaged.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the cell phone rear cover of one embodiment of the utility model.

Fig. 2 is the structural schematic diagram of the LED element of the cell phone rear cover of the embodiment illustrated in fig. 1 of the utility model.

Specific embodiment

It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection It encloses.In addition, all connection/connection relationships being related in patent, not singly refer to that component directly connects, and referring to can be according to specific Performance, by adding or reducing couple auxiliary, Lai Zucheng more preferably coupling structure.Each skill in the utility model creation Art feature, can be with combination of interactions under the premise of not conflicting conflict.

Embodiment 1

Fig. 1 is the structural schematic diagram of the cell phone rear cover of one embodiment of the utility model.As shown in Figure 1, the rear cover packet Include the hardened layer 1 being cascading, transparent substrate 2, luminescent layer 3, light guide plate 4 and reflecting layer 5.Hardened layer 1 can be using hard Change thin-film material, specifically can be the materials such as superhard aluminium oxide, superhard silicon nitride, silicon carbide, aluminium nitride, can by PVD, The methods of CVD, coating, lifting are deposited on transparent substrate 2.Transparent substrate 2 can using polymethyl methacrylate (PMMA), The materials such as tempered glass, polycarbonate (PC), allyl diglycol carbonic ether (CR-39) are made.Light guide plate 4 can use PMMA Or PC or other types of plate, it is stamped and is led by technologies such as laser engraving, V-type cross grid engraving, UV screen printing technologies Luminous point forms light guide plate.Luminescent layer LED element can be reflected back element towards the light that reflecting layer side issues by reflecting layer 5 Front side emitter improves light extraction efficiency to control light emission direction, reduces color difference.Reflecting layer 5 can use the metal of layer Layer, specifically can be used the materials such as Al, Cu, Ag.The LED element of luminescent layer 3 including several regular arrays, these elements can be with It is RGB primitive colours LED element, including red-light LED element, green light LED element, blue LED elements.The LED of these different colours Element is alternatively arranged rectangular (if reserved postposition camera lens and/or fingerprint recognition position according to luminous difference Then entire rear cover accordingly vacates reasonable space), formation red-light LED element column, green light LED element arrange, blue LED elements arrange, Red-light LED element column etc..

Fig. 2 is the structural schematic diagram of the LED element of the cell phone rear cover of the embodiment illustrated in fig. 1 of the utility model.Such as Fig. 2 institute Show, which includes the n-type electrode layer 31 set gradually, n-type semiconductor layer 32, multiple quantum well layer 33 (mqw), p-type Semiconductor layer 34 and p-type electrode layer 35.The material of the n-type semiconductor layer and p-type semiconductor layer that constitute red-light LED element is main It is GaAs (GaAs), the material of the n-type semiconductor layer and p-type semiconductor layer that constitute blue LED elements is mainly gallium nitride (GaN), constituting the n-type semiconductor layer of green light LED element and the material of p-type semiconductor layer is mainly gallium phosphide (GaP).

When cell phone rear cover is close or attaches on mobile phone, the control module in rear cover passes through electrical connection or the side being wirelessly connected Formula is connected with mobile phone, wherein the mode being electrically connected, which can be, is arranged certain metal connection point in cell phone rear cover and mobile phone back Or other selectable modes, and the mode being wirelessly connected can choose the modes such as wifi, bluetooth that include but are not limited to, it can be with Wifi module, bluetooth module etc. are set in the control module.After being connected with mobile phone, by the customized setting in app, in hand When machine meets different condition, for example, cell phone incoming call, missed call, short message, electricity are full of, electricity is lower than some threshold value, other App sends push, light compensating lamp condition of taking pictures when, control module control is electrically connected or the driving circuit of other connection types So that the different zones of cell phone rear cover luminescent layer, different LED elements are powered and shine, light, the different pattern of different colours are formed Light, different location light or above-mentioned several combination, thus realize cell phone rear cover colorful light-emitting, region shine, figure hair The function of light, it is more beautiful and generous.

Control module and driving circuit in the present embodiment can be with reference to products in the prior art and design according to reality Need to carry out using.For example, can with referenced patent CN204157098U, CN107949113A, CN204884134U, CN204259217U or some other patent document.

Embodiment 2

A kind of cell phone rear cover, the difference from embodiment 1 is that, LED element regular array forms array, different colours The position of LED element in an array is arbitrarily arranged.

Embodiment 3

A kind of cell phone rear cover, the difference from embodiment 1 is that, LED element is irregularly arranged in luminescent layer.

Be above the preferred embodiment of the utility model is illustrated, but the utility model be not limited to it is described Embodiment, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention Shape or replacement, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.

Claims

1. a kind of cell phone rear cover, which is characterized in that including be cascading reflecting layer, light guide plate, luminescent layer, transparent substrate Layer and hardened layer, the luminescent layer include several LED elements, and the LED element is connected with driving circuit, the driving circuit and control Molding block is connected.

2. cell phone rear cover according to claim 1, which is characterized in that the LED element is red-light LED element, blue-ray LED At least one of element, green light LED element.

3. cell phone rear cover according to claim 2, which is characterized in that the red-light LED element is GaAs LED element, The blue LED elements are gallium nitride based LED element, and the green light LED element is gallium phosphide LED element.

4. cell phone rear cover according to claim 2, which is characterized in that the LED element is red-light LED element, blue-ray LED Element and green light LED element.

5. cell phone rear cover according to claim 1, which is characterized in that the driving circuit and the control module electrically connect It connects.

6. cell phone rear cover according to claim 1, which is characterized in that the LED element forms array regular array.

7. cell phone rear cover according to claim 1, which is characterized in that the reflecting layer is metallic reflector.

8. cell phone rear cover according to claim 1-7, which is characterized in that the material of the transparent substrate layer is At least one of PMMA, tempered glass, PC, CR-39.

9. cell phone rear cover according to claim 1-7, which is characterized in that the material of the hardened layer is selected from oxidation At least one of aluminium, silica, silicon carbide, aluminium nitride.

10. a kind of mobile phone, which is characterized in that including the described in any item cell phone rear covers of claim 1-9.