CN203118951U - Mobile terminal and its OLED screen with transparent display area - Google Patents

Abstract

The utility model provides a take OLED screen in transparent display area, it includes transparent substrate, form the anode layer on transparent substrate in proper order, transparent conducting layer, transparent transmitting layer and cathode layer, OLED screen has opaque display area and transparent display area, the anode layer includes first deposit metal part and first ITO etching part, the cathode layer includes second deposit metal part and second ITO etching part, first deposit metal part is corresponding with second deposit metal part and forms opaque display area, first ITO etching part is corresponding with second ITO etching part and forms transparent display area. The OLED screen is located between the transparent touch element and the main board and between the transparent touch element and the battery, and the main board and the battery cover the opaque display area. The mainboard and the battery can cover under the opaque display area, so that the attractiveness of the mobile terminal is ensured, and the size of the mobile terminal is reduced. The utility model discloses still provide the mobile terminal who has above-mentioned OLED screen.

Description

Mobile terminal and its OLED screen with transparent display area

technical field

The utility model relates to an electronic product, in particular to a mobile terminal and an OLED screen with a transparent display area thereof. the

Background technique

Organic Light Emitting Diode (OLED for short) display is a new type of display at present, because it has many advantages such as active luminescence, high contrast, thinness, and fast response, it is recognized as the main force of the next generation of display. The OLED screen mainly includes a substrate, a transparent electrode, an organic light-emitting layer and a metal electrode. The light-emitting principle of the OLED screen is to use the transparent electrode as the anode and the metal electrode as the cathode. When an appropriate voltage is applied between the two electrodes, holes and electrons are respectively injected into the organic light-emitting layer from the interface of the transparent electrode and the metal electrode to recombine and emit light. . the

With the development of OLED screen technology, the entire OLED screen is transparent and has been favored by the majority of users. However, for the entire transparent OLED screen, when it is applied to mobile terminals such as mobile phones and tablet computers, it is difficult to make hardware such as the main board and battery transparent, and the bottom of the transparent OLED screen directly exposes the main board, battery, etc. and other hardware, making the mobile terminal unattractive. For the aesthetics of the mobile terminal, the industry generally places hardware such as a motherboard and a battery in an area outside the transparent OLED screen, thereby increasing the size of the mobile terminal. the

Utility model content

The purpose of this utility model is to provide an OLED screen with a transparent display area, aiming to solve the problem that the main board and battery and other hardware can only be placed on the whole OLED screen in the mobile terminal of the prior art because the whole OLED screen is transparent. There is a problem that the size of the mobile terminal increases due to the area outside the screen. the

The utility model is achieved in this way, an OLED screen with a transparent display area, which includes a transparent substrate, an anode layer, a transparent conductive layer, a transparent emission layer and a cathode layer sequentially formed on the transparent substrate, the OLED screen It has an opaque display area and a transparent display area, the anode layer includes a first deposited metal part and a first ITO etched part, the cathode layer includes a second deposited metal part and a second ITO etched part, and the first deposited metal part The opaque display area of the OLED screen is formed corresponding to the second deposited metal part, and the transparent display area of the OLED screen is formed by the first ITO etching part corresponding to the second ITO etching part. Display area. the

Further, the transparent substrate is a transparent glass plate or a transparent plastic plate. the

Further, the transparent conductive layer is an indium tin oxide film or a tin oxide film. the

Further, the first deposited metal part is an indium tin oxide layer deposited on the transparent substrate, and the second deposited metal part is an indium tin oxide layer deposited on the transparent emission layer. the

Another object of the present utility model is to provide a mobile terminal, which includes a housing, a transparent part, a transparent touch element, a main board and a battery, and the transparent part, the transparent touch element, the main board and the battery are all arranged on the In the housing, the transparent member is located above the transparent touch element, the main board and the battery are located under the transparent touch element, and the mobile terminal also includes the above-mentioned OLED screen with a transparent display area, and the transparent strip The OLED screen in the display area is located between the transparent touch element, the main board and the battery, and the main board and the battery are covered under the opaque display area of the OLED screen with a transparent display area. the

Further, the transparent touch element is pasted on the surface of the transparent member, and the transparent member is glass or a transparent composite plate. the

Further, the transparent touch element is a capacitive touch element or a resistive touch element. the

Further, the transparent touch element is a software circuit board or a thin film. the

Further, the mobile terminal has a front part, a rear part, a left part, a right part, an upper part and a lower part, and the mobile terminal forms a transparent display part corresponding to the transparent display area of the OLED screen with a transparent display area, and corresponds to An opaque display part is formed in the opaque display area of the OLED screen with a transparent display area, and the transparent display part is located at the upper part or the lower part of the mobile terminal. the

Further, the mobile terminal has a front part, a rear part, a left part, a right part, an upper part and a lower part, the number of transparent display areas of the OLED screen with a transparent display area is two, and the two transparent display areas are respectively located at On the opposite sides of the opaque display area, the mobile terminal forms two transparent display parts corresponding to the two transparent display areas of the OLED screen with a transparent display area, and for the opaque display of the OLED screen with a transparent display area The area forms an opaque display part, and the two transparent display parts are respectively located on the upper part and the lower part of the mobile terminal. the

By forming a first deposited metal portion and a first ITO etched portion on the anode layer, and forming a second deposited metal portion and a second ITO etched portion on the cathode layer, the OLED screen is formed on the first deposited metal portion and the second deposited metal portion. Part of the corresponding area forms an opaque display area, and the OLED screen forms a transparent display area in the area corresponding to the first ITO etching part and the second ITO etching part, so that the main board and the battery can be covered by the opaque display area. Under the display area to ensure the appearance of the mobile terminal, since the main board and the battery can be located under the opaque display area, they do not need to be arranged outside the OLED screen, reducing the size of the mobile terminal. the

Description of drawings

FIG. 1 is a schematic structural diagram of a front view of a mobile terminal provided by the first embodiment of the present invention. the

FIG. 2 is a schematic cross-sectional view of the mobile terminal in FIG. 1 along line A-A. the

FIG. 3 is a schematic structural diagram of an OLED screen with a transparent display area of the mobile terminal in FIG. 2 . the

Fig. 4 is a schematic diagram of the front view structure of the mobile terminal provided by the second embodiment of the present invention. the

FIG. 5 is a schematic cross-sectional view of the mobile terminal in FIG. 4 along line B-B. the

Fig. 6 is a schematic structural diagram of a front view of a mobile terminal provided by a third embodiment of the present invention. the

FIG. 7 is a schematic cross-sectional view of the mobile terminal in FIG. 6 along line C-C. the

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model. the

Please refer to FIG. 1 and FIG. 2 , the mobile terminal 100 provided by the first embodiment of the present invention includes a housing 10 , a transparent member 11 , a transparent touch element 12 , a main board and a battery 13 . The transparent member 11 , the transparent touch element 12 , the main board and the battery 13 are all disposed in the casing 10 . The transparent member 11 is located on the transparent touch element 12 . The main board and battery 13 are located under the transparent touch element 12 . The mobile terminal 100 also includes an OLED (organic light emitting diode) screen 20 with a transparent display area. The transparent member 11, the transparent touch element 12, the OLED screen 20, the main board and the battery 13 are sequentially arranged in the housing 10, and the transparent member 11 is close to the housing 10 of the mobile terminal 100 On the front side, the main board and the battery 13 are close to the back of the casing 10 of the mobile terminal 100 . The OLED screen 20 with a transparent display area is located between the transparent touch element 12 and the main board and battery 13 . the

Please also refer to FIG. 3 , the OLED screen 20 includes a transparent substrate 30 , an anode layer 40 , a transparent conductive layer 50 , a transparent emission layer 60 and a cathode layer 70 sequentially formed on the transparent substrate 30 . The OLED screen 20 has an opaque display area 21 and a transparent display area 22 . The anode layer 40 includes a first deposited metal portion 41 and a first ITO (ie Indium Tin Oxide) etched portion 42 . The cathode layer 70 includes a second deposited metal portion 71 and a second ITO etched portion 72 . The first deposited metal part 41 corresponds to the second deposited metal part 71 to form the opaque display area 21 of the OLED screen 20 . The first ITO etching portion 42 corresponds to the second ITO etching portion 72 to form the transparent display area 22 of the OLED panel 20 . The motherboard and the battery 13 are covered under the opaque display area 21 of the OLED screen 20 with a transparent display area 22 . the

By forming the first deposited metal portion 41 and the first ITO etched portion 42 on the anode layer 40, and forming the second deposited metal portion 71 and the second ITO etched portion 72 on the cathode layer 70, the OLED screen 20 is deposited in the first The area of the metal part 41 corresponding to the second deposited metal part 71 forms an opaque display area 21, and the area of the OLED screen 20 corresponding to the first ITO etching part 42 and the second ITO etching part 72 forms a transparent display area 22 , the main board and battery 13 are covered under the opaque display area 21, which ensures the appearance of the mobile terminal 100. Since the main board and battery 13 can be located under the opaque display area 21, they do not need to be arranged outside the OLED screen 20. area, reducing the size of the mobile terminal 100. the

Since each pixel of the OLED screen 20 emits light independently, through software control, the opaque display area 21 can be blacked out under standby conditions, and the transparent display area 22 can display information such as time, incoming calls, and text messages for a long time without power consumption. volume is low. the

The transparent substrate 30 of the OLED screen 20 can be a transparent material such as transparent glass or transparent plastic, that is to say, the transparent substrate 30 can be a plate made of transparent glass or transparent plastic or other transparent materials. the

The anode layer 40 is formed on the transparent substrate 30 . The first deposited metal part 41 and the first ITO etched part 42 of the anode layer 40 are respectively connected to a power source and inject holes into the transparent emission layer 60 . In this embodiment, the material deposited on the first metal deposition portion 41 is indium tin oxide. The first ITO etched portion 42 is an etched portion formed after etching the indium tin oxide layer, and the first ITO etched portion 42 is almost transparent because the pattern formed after etching here is relatively fine. the

In this embodiment, the first deposited metal portion 41 can be deposited on the transparent substrate 30 by means of evaporation, chemical vapor deposition, or sputtering. When the anode layer 40 is specifically manufactured, the indium tin oxide layer can be deposited on the entire transparent substrate 30 first, and then the corresponding part of the first ITO etching part 42 is etched to obtain the first deposited metal part 41 and the first deposited metal part 41. ITO etched portion 42 . the

The transparent conductive layer 50 can be a thin film, such as indium tin oxide (ITO) thin film, tin oxide (SnO ₂ ) thin film.

The transparent emissive layer 60 is an organic luminescent material deposited by any suitable means, for example, evaporation, sputtering, chemical vapor deposition, solution spin coating, electrochemical means and other means. Electrons and holes recombine at the transparent emission layer 60 to emit light. the

The cathode layer 70 is formed on the transparent emission layer 60 . The second deposited metal part 71 and the second ITO etched part 72 of the cathode layer 70 are respectively connected to a power source and inject electrons into the transparent emission layer 60 . In this embodiment, the material deposited in the second deposited metal portion 71 is indium tin oxide. The second ITO etched part 72 is an etched part formed after etching the indium tin oxide layer, because the pattern formed after etching here is relatively fine, so the second ITO etched part 72 is almost transparent. the

In this embodiment, the second deposited metal portion 71 may be deposited on the transparent emission layer 60 by evaporation or sputtering. When the cathode layer 70 is specifically manufactured, an indium tin oxide layer can be deposited on the entire transparent emissive layer 60 first, and then the place corresponding to the second ITO etching part 72 is etched to obtain the second deposited metal part 71 and the second deposited metal part 71. Two ITO etched portions 72 . the

The transparent member 11 is in the form of a sheet. The size of the entire OLED screen 20 is equivalent to the size of the transparent member 11 , that is to say, the size of the transparent member 11 is approximately the same as that of the entire OLED screen 20 . the

In this embodiment, the transparent member 11 is glass or a transparent composite plate. In other embodiments, the transparent member 11 can be made of other transparent materials. the

Specifically, the transparent touch element 12 is attached to the surface of the transparent member 11 . The transparent touch element 12 is pasted on the surface of the transparent member 11 facing the OLED screen 20 . The transparent touch element 12 can be a capacitive touch element or a resistive touch element. The transparent touch element 12 can be a software circuit board or a thin film. the

The mobile terminal 100 has a front part 80 , a rear part 81 , a left part 82 , a right part 83 , an upper part 84 and a lower part 85 . The mobile terminal 100 forms a transparent display portion 90 corresponding to the transparent display area 22 of the OLED screen 20 , and forms an opaque display portion 91 corresponding to the opaque display area 21 of the OLED screen 20 . In this embodiment, the transparent display part 90 is located at the lower part 85 of the mobile terminal 100 . The transparent display area 22 of the OLED screen 20 is located at the lower part 85 of the mobile terminal 100 . the

The mobile terminal 100 displays first content on the transparent display part 90, and the first content includes information such as time, short message, phone number, and system information; the mobile terminal 100 displays second content on the opaque display part 91, and the second content mainly Is the daily program application display work. When the user needs to view relevant information, he only needs to touch and open the transparent display part 90, so that the user can know the desired corresponding information without opening the opaque display part 91 of the mobile terminal 100, so as to reduce power consumption. The effect is to save the power of the battery, and at the same time, the content displayed on the transparent display part 90 and the content displayed on the opaque display part 91 can be interacted together. the

The motherboard controls the transparent touch element 12 and the OLED screen 20 through software to control the content displayed on the opaque display part 91 and the transparent display part 90 of the OLED screen 20. the

Please refer to Fig. 4 and Fig. 5 at the same time, the mobile terminal 200 provided by the second embodiment of the present invention is substantially the same as the mobile terminal 100 provided by the first embodiment, the difference lies in: the transparent display part 90a of the mobile terminal 200 Located on the upper part 84a of the mobile terminal 200 , the transparent display area 22a of the OLED screen 20a is located on the upper part 84a of the mobile terminal 200 . the

Please refer to Fig. 6 and Fig. 7 at the same time, the mobile terminal 300 provided by the third embodiment of the present invention is roughly the same as the mobile terminal 100 provided by the first embodiment, the difference is that the OLED screen 20b has an opaque display area 21b and two transparent display areas 22b, the two transparent display areas 22b are respectively located on opposite sides of the opaque display area 21b, correspondingly, the mobile terminal 300 is formed corresponding to the two transparent display areas 22b of the OLED screen 20b Two transparent display parts 90b, and an opaque display part 91b is formed for the opaque display area 21b of the OLED screen 20b. In this embodiment, the two transparent display parts 90b are respectively located at the upper part 84b and the lower part 85b of the mobile terminal 300 . the

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models. the

Claims (10)

1. an OLED screen with a transparent display area, which comprises a transparent substrate, an anode layer, a transparent conductive layer, a transparent emission layer and a cathode layer formed on the transparent substrate successively, it is characterized in that: the OLED screen has an opaque display area and transparent display area, the anode layer includes a first deposited metal part and a first ITO etched part, the cathode layer includes a second deposited metal part and a second ITO etched part, the first deposited metal part and the The opaque display area of the OLED screen is formed corresponding to the second deposited metal part, and the transparent display area of the OLED screen is formed by the first ITO etching part corresponding to the second ITO etching part . the 2. The OLED screen with a transparent display area according to claim 1, wherein the transparent substrate is a transparent glass plate or a transparent plastic plate. the 3. The OLED screen with a transparent display area according to claim 1, wherein the transparent conductive layer is an indium tin oxide film or a tin oxide film. the 4. The OLED screen with a transparent display area according to any one of claims 1-3, characterized in that: the first deposited metal part is an indium tin oxide layer deposited on the transparent substrate, and the first The second deposited metal part is an indium tin oxide layer deposited on the transparent emissive layer. the 5. A mobile terminal, comprising a housing, a transparent part, a transparent touch element, a main board and a battery, the transparent part, the transparent touch element, the main board and the battery are all arranged in the housing, the transparent components are located on the transparent touch element, the main board and the battery are located under the transparent touch element, characterized in that: the mobile terminal also includes a transparent display area according to any one of claims 1-4 The OLED screen with a transparent display area is located between the transparent touch element, the main board and the battery, and the main board and the battery cover the opaque display area of the OLED screen with a transparent display area under. the 6. The mobile terminal according to claim 5, wherein the transparent touch element is attached to the surface of the transparent member, and the transparent member is glass or a transparent composite plate. the 7. The mobile terminal according to claim 5, wherein the transparent touch element is a capacitive touch element or a resistive touch element. the 8. The mobile terminal according to claim 5, wherein the transparent touch element is a software circuit board or a thin film. the 9. The mobile terminal according to any one of claims 5-8, characterized in that: the mobile terminal has a front part, a rear part, a left part, a right part, an upper part and a lower part, and the mobile terminal corresponds to the The transparent display area of the OLED screen with a transparent display area forms a transparent display part, and the opaque display area corresponding to the OLED screen with a transparent display area forms an opaque display part, and the transparent display part is located on the mobile terminal. The upper or the lower. the 10. The mobile terminal according to any one of claims 5-8, characterized in that: the mobile terminal has a front part, a rear part, a left part, a right part, an upper part and a lower part, and the OLED with a transparent display area The number of transparent display areas of the screen is two, and the two transparent display areas are respectively located on opposite sides of the opaque display area, and the mobile terminal forms two transparent display areas corresponding to the OLED screen with transparent display areas. A transparent display part, and an opaque display part is formed for the opaque display area of the OLED screen with a transparent display area, and the two transparent display parts are respectively located at the upper part and the lower part of the mobile terminal. the

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