Background technology
Terminal device emphasizes screen accounting (Screen to Body Ratio), and the front of general terminal device, except aobviousOutside display screen, there is provision of capacitive fingerprint sensing device, receiver perforate, front camera (and flash lamp), distance and light and passThe parts such as sensor, have impact on the screen accounting of terminal device.
In order to increase screen accounting, prior art includes：(1) capacitive fingerprint sensing device is set into the side to terminal deviceOr the back side, but side and back side fingerprint sensor have that discrimination is low, man-machine interaction is disagreeableness；(2) by receiverPiezoelectric ceramic type receiver is changed to be placed on behind display screen；(3) using the ultrasonic distance sensor being placed on behind display screen；(4) ambient light sensor is placed on the methods such as terminal edge arch, effectively improves screen accounting.
And the treatment of front camera and preposition flash lamp is maximum difficult point.The convertible camera of Huawei's honor, oneIndividual camera takes into account auto heterodyne and shoots landscape, but convertible camera is present that complex structure, thickness are big, need manual overturning,Whole machine unsightly the problems such as.
Patent 201610052804.5 " a kind of full frame mobile phone ", a solution of elaboration is：" on the touchscreen behind portionThe chute of open top end setting is provided with the casing of side, is slided up and down in chute and is provided with a liftable panel, in liftableRange sensor, receiver and camera head are sequentially provided with panel from left to right, the camera head includes camera and flash of lightLamp, the liftable panel top above range sensor is provided with a light sensor ".
This method has that structure design difficulty is big, reliability is low, the motor size needed for lifting panel is big, it is impossible to integratedTo in the mobile terminal for pursuing ultra thin dimensions requirement, do not possess technical feasibility substantially.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of full screen display terminal, to solve prior art defect.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：
One kind full screen display terminal (100), with framework, display screen and internal circuit board, sets on the internal circuit boardController is equipped with, the display screen includes the first display screen (160) and second display screen (110), first display screen (160)It is arranged at before full screen display terminal (100), the first display screen (160) is that narrow frame or Rimless are designed；Described second showsDisplay screen (110) is arranged at full screen display terminal (100) back side, and second display screen (110) internal integration optical fingerprint sensor is usedOperated in (100) fingerprint recognition and unblock is carried out to full screen display terminal.
Further, the terminal back side is additionally provided with rear camera (190).
Further, the first display screen (160) back side is additionally provided with piezoelectric ceramics receiver (170)
Ambient light sensor (180) is provided with the framework.
Further, the rear camera (190) can be single-lens, twin-lens or many camera lenses.
Further, the optical fingerprint sensor condenser type optics internal by being arranged on second display screen (110)Sensor, pressure sensor or one or more modes touched in mechanical switch are triggered.
Further, full screen display terminal (100) is smart mobile phone or panel computer.
Further, the second display screen is circular, rectangle or square.
Effect of the invention is：The front area for solving full screen display terminal cannot arrange front camera, so that nothingThe problem that method is autodyned.When being autodyned, user's upset full screen display terminal is autodyned, now with rear cameraSecond display screen (shielding afterwards) carries out take pictures preview and positioning as auxiliary display screen, convenient to obtain satisfied auto heterodyne image.
Specific embodiment
Principle of the invention and feature are described below in conjunction with accompanying drawing, example is served only for explaining the present invention, andIt is non-for limiting the scope of the present invention.
Fig. 1 a are a kind of front schematic view for being displayed in full screen terminal.The front for being displayed in full screen terminal 100 is the first display screen160, the first display screen uses four side ultra-narrow frames, the even capacitive touch display screen of Rimless, its be shaped as rectangle orPerson's round rectangle.And be hidden in the first display screen back side is piezoelectric ceramics receiver 170, ambient light sensor 180 is located at full frameOn the frame of display terminal.The front of whole full screen display terminal 100 is viewing area (AA), does not have any perforate, is realizedScreen accounting is maximized.
Fig. 1 b are a kind of front schematic view for being displayed in full screen terminal.The front for being displayed in full screen terminal 100 is the first display screen160 and first display screen secondary screen 161 and 162, the first display screen 160 is seamless spliced with secondary screen 161 and 162, formation rectanglesThe effect of full screen display, has covered the display screen bottom black surround that the technical matters of the first display screen 160 is caused.And it is hidden in firstThe display screen back side is piezoelectric ceramics receiver 170, and ambient light sensor 180 is located on the frame of full screen display terminal.It is whole completeThe front for shielding display terminal 100 is viewing area (AA), does not have any perforate, realizes screen accounting and maximizes.
Fig. 1 c are a kind of front schematic view for being displayed in full screen terminal.The front for being displayed in full screen terminal 100 is the first display screen160 and first display screen secondary screen 161 and 162, the first display screen 160 and the 161 and 162 seamless spellings of secondary screen of unilateral round rectangleConnect, form the effect of round rectangle full screen display, covered the display screen bottom that the technical matters of the first display screen 160 causes blackSide.And be hidden in the first display screen back side is piezoelectric ceramics receiver 170, ambient light sensor 180 is located at full screen display terminalFrame on.The front of whole full screen display terminal 100 is viewing area (AA), does not have any perforate, realizes screen accounting mostBigization.
Fig. 2 is a kind of schematic rear view for being displayed in full screen terminal.The back side for being displayed in full screen terminal 100 is second display screen110 and rear camera 190 appurtenances such as (and) flash lamp, laser rangings.Rear camera 190 is supported single-lens, doubleThe configuration modes such as camera lens, many camera lenses.
Fig. 3 a are the of the full screen display terminal of a kind of use capacitive touch screen sensor activation optical fingerprint sensorTwo display screen structure schematic diagrames.
When needing to be unlocked or during the operation such as payment verification, (the finger of collected target 140 of the user of electronic equipmentOr palm) when touching the fingerprint collecting region 117 of second display screen 110, it is dynamic that CTP capacitive touch screens 112 perceive touchMake and touch location, and then (the i.e. picture of LED pixel circuit 115 corresponding to corresponding fingerprint collecting region 117 is lighted by processorPlain circuit 115), monochromatic illumination light is sent, it is similar to the flash lamp effect of camera.The time that LED pixel circuit 115 is lighted, withIt is unsuitable long for the purpose of can clearly photographing target pattern, it is to avoid the display effect of influence display screen.The light for sending toOn through encapsulation cover plate 114, polaroid 113, CTP capacitive touch screens 112, cover-plate glass 111, be irradiated to collected targetOn, reflection light is again via cover-plate glass 111, CTP capacitive touch screens 112, polaroid 113, encapsulation cover plate 114, LED picturesPlain circuit 115, substrate 116, reach optical fingerprint sensor module 120.The invalid diffusion light of which part is by positioned at LED-baseplateThe optics pinhole difiration plate 121 of top or centre is blocked, and effective reflection light then through optics pinhole difiration plate 121 intoAs aperture 124, optical image sensor 122 is reached, form the optical imagery 141 of collected target 140.The image for collecting141, due to the inhomogeneities that the manufacturing process of transparent display screen 110 is caused, light through when can cause distortion, while formedEach subgraph edge, need image flame detection the problems such as have the overlap that splicing causes.
Fig. 3 b be a kind of full screen display terminal of use pressure sensitive sensor activation optical fingerprint sensor second showDisplay screen structural representation.
When needing to be unlocked or during the operation such as payment verification, (the finger of collected target 140 of the user of electronic equipmentOr palm) pressing second display screen 110 fingerprint collecting region 117 when, pressure sensitive sensor 131 perceive push action andPressing position, so by processor light corresponding to corresponding fingerprint collecting region 117 LED pixel circuit 115 (i.e. pixel electricityRoad 115), monochromatic illumination light is sent, it is similar to the flash lamp effect of camera.The time that LED pixel circuit 115 is lighted, with canIt is unsuitable long for the purpose of clearly photographing target pattern, it is to avoid the display effect of influence display screen.The light for sending is worn upwardsEncapsulation cover plate 114, polaroid 113, CTP capacitive touch screens 112, cover-plate glass 111 are crossed, are irradiated in collected target,Reflection light is again via cover-plate glass 111, CTP capacitive touch screens 112, polaroid 113, encapsulation cover plate 114, LED pixelCircuit 115, substrate 116, reach optical fingerprint sensor module 120.The invalid diffusion light of which part is by positioned at LED-baseplate topThe optics pinhole difiration plate 121 of portion or centre is blocked, and effective reflection light is then through the imaging of optics pinhole difiration plate 121Aperture 124, reaches optical image sensor 122, forms the optical imagery 141 of collected target 140.
Fig. 3 c are a kind of the second aobvious of full screen display terminal using mechanical touch-switch activation optical fingerprint sensorDisplay screen structural representation.
When needing to be unlocked or during the operation such as payment verification, (the finger of collected target 140 of the user of electronic equipmentOr palm) pressing second display screen 110 fingerprint collecting region 117 when, mechanical touch-switch 132 is pressed, and perceivesPush action, so by processor light corresponding to corresponding fingerprint collecting region 117 LED pixel circuit 115 (i.e. pixel electricityRoad 115), monochromatic illumination light is sent, it is similar to the flash lamp effect of camera.The time that LED pixel circuit 115 is lighted, with canIt is unsuitable long for the purpose of clearly photographing target pattern, it is to avoid the display effect of influence display screen.The light for sending is worn upwardsEncapsulation cover plate 114, polaroid 113, CTP capacitive touch screens 112, cover-plate glass 111 are crossed, are irradiated in collected target,Reflection light is again via cover-plate glass 111, CTP capacitive touch screens 112, polaroid 113, encapsulation cover plate 114, LED pixelCircuit 115, substrate 116, reach optical fingerprint sensor module 120.The invalid diffusion light of which part is by positioned at LED-baseplate topThe optics pinhole difiration plate 121 of portion or centre is blocked, and effective reflection light is then through the imaging of optics pinhole difiration plate 121Aperture 124, reaches optical image sensor 122, forms the optical imagery 141 of collected target 140.
In order to only activate optical fingerprint sensor 120 when collection fingerprint is needed, optical fingerprint sensor is reducedPower consumption, second display screen 110 should support capacitive touch screen sensor 112, pressure sensitive sensor 131 or mechanically touchSwitch one or several combination of 132 grade triggering modes.
Finally, these are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit andWithin principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.