Embodiment
Below in conjunction with the accompanying drawing in the utility model execution mode, the technical scheme in the utility model execution mode is clearly and completely described.
Refer to Fig. 1, a kind of display screen 100 that the utility model first execution mode provides, it comprises display unit 10 and controller 20.Described display unit 10 is luminous plate, can realize double-sided display image, and described controller 20 is electrically connected described display unit 10, and described controller 20 sends the signal of telecommunication to described display unit 10, and described display unit 10 shows image.
Concrete, described display unit 10 comprises the first baffle 11, first polaroid 12, first display layer 13, luminescent layer 14, second display layer 15, second polaroid 16 and the second baffle 17 that stack gradually connection.Described luminescent layer 14 is for providing light source for described first display layer 13 and described second display layer 15.
In present embodiment, described luminescent layer 14 comprises the first light-emitting area 141 and the second light-emitting area 142 be oppositely arranged.Described luminescent layer 14 is electrically connected described controller 20, when described luminescent layer 14 receives current signal from described controller 20, described first light-emitting area 141 and described second light-emitting area 142 all can be luminous, and described first light-emitting area 141 and described second light-emitting area 142 all can demonstrate image according to the change of the described signal of telecommunication.Described luminescent layer 14 is made to realize multiple display effect.Described luminescent layer 14 material is electroluminescent organic material (Organic Light-Emitting Diode, OLED), described luminescent layer 14 is had visibility is high, brightness is high, voltage requirements is low and power saving efficiency is high etc. effect, realizes described luminescent layer 14 simultaneously and has that reaction is fast, lightweight, thickness is thin, simple structure and low cost and other advantages.Certainly, in other embodiments, described luminescent layer 14 can also be LED double-surface light emitting plate.
Described first display layer 13 fits in described first light-emitting area 141, described first display layer 13 has light transmission state and shading status, described light transmission state is the light through described first light-emitting area 141, and described shading status is the light covering described first light-emitting area 141.Described first display layer 13 is electrically connected described controller 20, can switch described light transmission state and shading status according to the signal of telecommunication of described controller 20.In present embodiment, when described first display layer 13 receives the first default signal of telecommunication, described first display layer 13 presents light transmission state; When described first display layer 13 receives the second default signal of telecommunication, described first display layer 13 presents shading status.Described first display layer 13 material is liquid crystal material, and described first display layer 13 is touch screen.Described first display layer 13 realizes light transmission state and shading status by voltage change, and described first display layer 13 is low in energy consumption, and light treatment effect is good.
Described second display layer 15 fits in described second light-emitting area 142, described second display layer 15 has light transmission state and shading status, described light transmission state is the light through described second light-emitting area 142, and described shading status is the light covering described second light-emitting area 142.Described second display layer 15 is electrically connected described controller 20, can switch described light transmission state and shading status according to the signal of telecommunication of described controller 20.In present embodiment, when described second display layer 15 receives the described first default signal of telecommunication, described second display layer 15 presents shading status; When described second display layer 15 receives the described second default signal of telecommunication, described second display layer 15 presents light transmission state.Namely when described first display layer 13 presents light transmission state, described second display layer 15 presents shading status, and when described first display layer 13 presents shading status, described second display layer 15 presents light transmission state.Described second display layer 15 material is liquid crystal material, and described second display layer 15 is touch screen.Described second display layer 15 leads to superpotential change and realizes light transmission state and shading status, and described second display layer 15 has low in energy consumption, light high treating effect.
Described first polaroid 12 is for changing the light irradiating angle through described first display layer 13, the divergence of beam being about to launch from described first display layer 13 irradiates changes into parallel radiation, light visibility through described first display layer 13 is improved, and display effect is more clear.In like manner described second polaroid 16 is for changing the light irradiating angle through described second display layer 15, makes the light through described second display layer 15 visual.Certainly, in other embodiments, can also be all add polaroid in described first display layer both sides, and all add polaroid in described second display layer both sides.
Described first baffle 11 and the second baffle 17 are translucent plate member, protect described first polaroid 12, first display layer 13, luminescent layer 14, second display layer 15 and the second polaroid 16 not damaged while realizing printing opacity effect.In present embodiment; described first baffle 11 and the second baffle 17 are polymethyl methacrylate; described first protective layer 11 is adhered on described first polaroid 12; between described first protective layer 11 and described first polaroid 12, the first adhesive-layer 11a is set; described second baffle 17 is adhered on described second polaroid 16, arranges the second adhesive-layer 17a between described second baffle 17 and described second polaroid 16.Certainly, in other embodiments, described first baffle and described second baffle can also be resin plate or simple glass.
Described controller 20 is electrically connected luminescent layer 14.Described controller 20 is electrically connected described first display layer 13 and the second display layer 15, concrete, described controller 20 is arranged on described luminescent layer 14 with the connecting circuit of described first display layer 13, and described controller 20 is arranged on described luminescent layer 14 with the connecting circuit of described second display layer 15.Described controller 20 works for controlling described first display layer 13, luminescent layer 14 and the second display layer 15.Concrete, the given current signal of described controller 20 gives described luminescent layer 14, described luminescent layer 14 is luminous according to described current signal, and according to the change of described current signal, produce light, namely described luminescent layer 14 is different according to the formula of self each display unit, demonstrates RGB three kinds of basic colors, thus demonstrates various multicoloured image.Described controller 20 given described first presets the signal of telecommunication to described first display layer 13 and described second display layer 15, described first display layer 13 presents light transmission state, described second display layer 15 presents shading status, the light that described luminescent layer 14 sends to described first display layer 13 is through, to the light crested that described second display layer 15 sends, and then the light of described luminescent layer 14 can be shown away from described luminescent layer 14 side from described first display layer 13, and make human eye directly can see the light of described luminescent layer 14 by described first polaroid 12, simultaneously without any light at described second display layer 15 away from described luminescent layer 14 side, described second display layer 15 darkness is utilized to increase, play good auxiliary described first display layer 13 display effect.
In like manner, when described controller 20 given described second presets the signal of telecommunication to described first display layer 13 and the second display layer 15, described first display layer 13 presents shading status, described second display layer 15 that changes presents light transmission state, the light of described luminescent layer 14 can be shown away from described luminescent layer 14 side from described second display layer 15, and make human eye directly can see the image of described luminescent layer 14 by described second polaroid 16, simultaneously without any light at described first display layer 13 away from described luminescent layer 14 side, the darkness of described first display layer 13 is utilized to increase, play good auxiliary described second display layer 15 display effect.
In present embodiment, described controller 20 can be IC chip (Integrated Circuit integrated circuit), and described controller 20 is arranged on described flexible circuit board 20a, and described flexible circuit board 20a is electrically connected luminescent layer 14.Certainly, in other embodiments, described controller can also be ultra-large integrated circuit.
As shown in Figure 2, this is implemented the first novel execution mode and also provides a kind of terminal 30, and described terminal 30 comprises described display screen 100 and housing 31.Described display screen 100 is installed on described housing 31.
In present embodiment, described terminal 30 is clamshell phone.Described housing 31 comprises upper cover 311 and lower cover 312.Described upper cover 311 is rectangle framework, and described display screen 100 is fixed in described upper cover 311.Described lower cover 312 is rectangle plate, described lower cover 312 is rotationally connected described upper cover 311, realizes the relatively described upper cover 311 of described lower cover 312 and overturns, when needing the first display layer 13 of described display screen 100 to show image, the relatively described upper cover 311 of described lower cover 312 overturns, in deployed condition; When needing the second display layer 15 of described display screen 100 to show image, the relatively described upper cover 311 of described lower cover 312 overturns, in closure state.Certainly, in other embodiments, described terminal can also be bar phone, or laptop computer, or display, or Digit Control Machine Tool.
The utility model also provides a kind of display screen (not shown) of the second execution mode, and described display screen structure is roughly the same with described display screen 100 structure in the first execution mode, is backlight unlike described luminescent layer 14.Described luminescent layer 14 adopts the LED together of multiple arrangement to form light source assembly, makes described luminescent layer 14 can be luminous to described first display layer 13 and the second display layer 15.
In the present embodiment, the material of described first display layer 13 and the second display layer 15 is thin-film transistor (Thin Film Transistor, TFT).Described first display layer 13 and the second display layer 15 all can independently control each pixel, and utilize each pixel can printing opacity under electrified regulation state, can the characteristic of shading under the power-off state of cooling, realize described first display layer 13 and the second display layer 15 all can show various image through the light of described luminescent layer 14, or the light covering described luminescent layer 14 does not show image.And then utilizing described controller 20 to control described first display layer 13 when presenting light transmission state, described second display layer 15 presents shading status; When described first display layer 13 switches to shading status, described second display layer 15 presents light transmission state, thus realizes the double-sided display effect of described display screen 100.Certainly, in other embodiments, described luminescent layer can also be the light source assembly adopting multiple arrangement cathode fluorescent tube together (Cold Cathode Fluorescent Lamp, CCFL) lamp composition.
Display screen of the present utility model, all have through described light condition by described first display layer and described second display layer and cover described light condition, and utilize described controller to be electrically connected described first display layer and described second display layer, switch described first display layer light transmission state and shading status, and switch described second display layer light transmission state and shading status, when making described first display layer printing opacity, described second display layer shading, during described second display layer printing opacity, described first display layer shading, to reach the effect of described display screen double-sided display, and described display screen is when one side display light, another side shield lights, realize display effect good.
The above is preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection range of the present utility model.