Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of curved-surface display device, this curved-surface display device comprises flexible type display panel and curvature adjustment backboard.This curvature adjustment back plate support also fixes this flexible type display panel.This curvature adjustment backboard comprises multiple alloy portion and a Curvature-driven unit of strip.The plurality of alloy portion connects successively.This Curvature-driven unit is out of shape to change the curvature that this curvature adjusts backboard for driving the plurality of alloy portion.
Further, this Curvature-driven unit comprises multiple gear assembly, a curvature selection unit and a curvature control chip, a gear assembly is provided with between adjacent two alloy portions, this curvature selection unit is for exporting a curvature signal, this curvature control chip for storing this gear assembly amount of exercise corresponding with the different curvature of this flexible type display panel, and drives corresponding this gear assembly motion that the plurality of alloy portion is out of shape according to this gear assembly amount of exercise and this curvature signal.
Further, this curvature selection unit for providing the different curvature of this flexible type display panel for user's choice for use, or directly inputs the curvature of this flexible type display panel wanted for user, and exports a curvature signal.
Further, each gear assembly comprises a driving gear and a follower gear engaged with this driving gear, the two ends in each alloy portion are provided with a driving gear and a follower gear, and the plurality of alloy portion is linked together by the plurality of gear assembly.
Further, this driving gear and this follower gear are magnetic control gear or automatically controlled gear.
Further, this Curvature-driven unit also comprises a power supply, and this power supply provides electric power for this curvature control chip.
Further, this flexible type display panel is organic LED display panel.
Further, this flexible type display panel is fixed on this curvature adjustment backboard by fixture or gluing mode.
Further, this curved-surface display device also comprises and is arranged on this flexible type display panel and this curvature and adjusts heat sink between backboard.
Further, this heat sink is made of aluminum or copper.
Curved-surface display device provided by the invention utilizes the multiple alloy portions distortion of Curvature-driven unit drives to change the curvature of this curvature adjustment backboard, thus adjustment is fixed on the curvature of the flexible type display panel on curvature adjustment backboard.So, the curvature of this curved-surface display device is adjustable, and its visual range provided also for adjustable, makes the display effect of this curved-surface display device can meet user's multiple demands.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the cross-sectional view of the curved-surface display device that first embodiment of the invention provides.
Fig. 2 is the cross-sectional view of the display panel in Fig. 1.
Fig. 3 is the structural representation of the curvature adjustment backboard in Fig. 1.
Fig. 4 is the high-level schematic functional block diagram of Curvature-driven unit of the curvature adjustment backboard in Fig. 1.
Fig. 5 is the cross-sectional view of the curved-surface display device that second embodiment of the invention provides.
Fig. 6 is the cross-sectional view of the display panel in Fig. 5.
Fig. 7 is the structural representation of the curvature adjustment backboard in Fig. 5.
Fig. 8 is the high-level schematic functional block diagram of Curvature-driven unit of the curvature adjustment backboard in Fig. 5.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
First embodiment
Refer to Fig. 1, the curved-surface display device 100 that first embodiment of the invention provides comprises flexible type display panel 10 and curvature adjustment backboard 20.
This flexible type display panel 10 is a kind of nonrigid display panel, and it has certain pliability, and can produce suitable deflection when being subject to external force.This flexible type display panel 10 preferably for can self-lighting and do not need the display panel of backlight module, such as, be Organic Light Emitting Diode (ActiveMatrixOLED, the AMOLED) display panel of slimming.Particularly, refer to Fig. 2, this flexible type display panel 10 comprises thin film transistor (TFT) (ThinFilmTransistor, TFT) array flexible substrate 11 and is successively set on anode pixels electrode layer 12, hole injection layer 13, hole transmission layer 14, OLED luminescent layer 15, electron transfer layer 16, electron injecting layer 17, transparent cathode conductive layer 18 and the thin-film encapsulation layer 19 on this tft array flexible base, board 11 from bottom to top.
This curvature adjustment backboard 20 contacts with this flexible type display panel 10, in order to support this flexible type display panel 10 and to fix the curvature of this flexible type display panel 10.Wherein, this flexible type display panel 10 can be fixed on this curvature adjustment backboard 20 by the mode such as fixture or gluing.
See also Fig. 3 and Fig. 4, this curvature adjustment backboard 20 comprises multiple alloy portions 22 and a Curvature-driven unit 24 of strip.The plurality of alloy portion 22 connects successively, and adjacent two alloy portions 22 surround a receiving space 220 jointly.This Curvature-driven unit 24 comprises multiple gear assembly 242, curvature selection unit 244, curvature control chip 246 and a power supply 248.Be provided with a gear assembly 242 in each receiving space 220, each gear assembly 242 comprises a driving gear 241 and a follower gear 243 engaged with this driving gear 241.So, the two ends in each alloy portion 22 are provided with a driving gear 241 and a follower gear 243, and the plurality of alloy portion 22 is linked together by the plurality of gear assembly 242.This curvature selection unit 244 for providing the different curvature of this flexible type display panel 10 for user's choice for use, or directly inputs the curvature of this flexible type display panel 10 wanted for user, and exports a curvature signal.This curvature control chip 246 is for storing the gear movement amount corresponding with the different curvature of this flexible type display panel 10, and drive corresponding driving gear 241 and follower gear 243 motion that the plurality of alloy portion 22 is deformed according to this gear movement amount and this curvature signal, to change the curvature of this curvature adjustment backboard 20, thus adjustment is fixed on the curvature of this flexible type display panel 10 on this curvature adjustment backboard 20.This power supply 248 provides electric power for this curvature control chip 246.
In present embodiment, this driving gear 241 and this follower gear 243 are magnetic control gear.In other embodiments, this driving gear 241 and this follower gear 243 can also be the gears of other types, such as, and automatically controlled gear etc.In present embodiment, this curvature control chip 246 moves by driving this driving gear 241 thus drives this follower gear 243 to move to control the curvature of flexible type display panel 10, because the structure size of this driving gear 241 and this follower gear 243 is identical, drive singal walks abreast, and therefore the curved surface of this flexible type display panel 10 stroke is the face of cylinder.In addition, this power supply 248 is not limited in present embodiment and is only this curvature control chip 246 and provides electric power, can also power for this curvature selection unit 244 simultaneously, or even be that the control panel controlling this driving gear 241 and this follower gear 243 is powered when this driving gear 241 and this follower gear 243 are automatically controlled gear.
The curved-surface display device 100 that present embodiment provides utilizes Curvature-driven unit 24 to drive multiple alloy portion 22 to be out of shape to change the curvature of this curvature adjustment backboard 20, thus adjustment is fixed on the curvature of the flexible type display panel 10 on curvature adjustment backboard 20.So, the curvature of this curved-surface display device 100 is adjustable, and its visual range provided also for adjustable, makes the display effect of this curved-surface display device 100 can meet user's multiple demands.
Second embodiment
Refer to Fig. 5, the curved-surface display device 200 that embodiment of the present invention provides comprises flexible type display panel 30, curvature adjustment backboard 40 and is arranged on this display panel 30 and this curvature and adjusts heat sink 50 between backboard 40.
This flexible type display panel 30 is a kind of nonrigid display panel, and it has certain pliability, and can produce suitable deflection when being subject to external force.This flexible type display panel 30 preferably for can self-lighting and do not need the display panel of backlight module, such as, be Organic Light Emitting Diode (ActiveMatrixOLED, the AMOLED) display panel of slimming.Particularly, refer to Fig. 6, this flexible type display panel 30 comprises thin film transistor (TFT) (ThinFilmTransistor, TFT) array flexible substrate 31 and is successively set on anode pixels electrode layer 32, hole injection layer 33, hole transmission layer 34, OLED luminescent layer 35, electron transfer layer 36, electron injecting layer 37, transparent cathode conductive layer 38 and the thin-film encapsulation layer 39 on this tft array flexible base, board 31 from bottom to top.
This curvature adjustment backboard 40 is in order to support this flexible type display panel 30 and to fix the curvature of this flexible type display panel 30.This heat sink 50 is fixed on this display panel 30 by the mode such as fixture or gluing and this curvature adjusts between backboard 40.In other words, this display panel 30 adjusts with this curvature the both sides that backboard 40 is positioned at this heat sink 50.This heat sink 50 can be made up of metal material, such as copper or aluminium.In present embodiment, this heat sink 50 is dottle pin aluminium sheet.
See also Fig. 7 and Fig. 8, this curvature adjustment backboard 40 comprises multiple alloy portions 42 and a Curvature-driven unit 44 of strip.The plurality of alloy portion 42 connects successively, and adjacent two alloy portions 42 surround a receiving space 420 jointly.This Curvature-driven unit 44 comprises multiple gear assembly 442, curvature selection unit 444, curvature control chip 446 and a power supply 448.Be provided with a gear assembly 442 in each receiving space 420, each gear assembly 442 comprises a driving gear 441 and a follower gear 443 engaged with this driving gear 441.So, the two ends in each alloy portion 42 are provided with a driving gear 441 and a follower gear 443, and the plurality of alloy portion 42 is linked together by the plurality of gear assembly 442.This curvature selection unit 444 for providing the different curvature of this flexible type display panel 30 for user's choice for use, or directly inputs the curvature of this flexible type display panel 30 wanted for user, and exports a curvature signal.This curvature control chip 446 is for storing the gear movement amount corresponding with the different curvature of this flexible type display panel 30, and drive corresponding driving gear 441 and follower gear 443 motion that the plurality of alloy portion 42 is deformed according to gear movement amount and this curvature signal, to change the curvature of this curvature adjustment backboard 40, thus adjustment is fixed on this flexible type display panel 30 on this curvature adjustment backboard 40 and the curvature of this heat sink 50.This power supply 248 provides electric power for this curvature control chip 446.
In present embodiment, this driving gear 441 and this follower gear 443 are magnetic control gear.In other embodiments, this driving gear 441 and this follower gear 443 can also be the gears of other types, such as, and automatically controlled gear etc.In present embodiment, this curvature control chip 446 moves by driving this driving gear 441 thus drives this follower gear 443 to move to control the curvature of flexible type display panel 30, because the structure size of this driving gear 441 and this follower gear 443 is identical, drive singal walks abreast, and therefore the curved surface of this flexible type display panel 30 stroke is the face of cylinder.In addition, this power supply 448 is not limited in present embodiment and is only this curvature control chip 446 and provides electric power, can also power for this curvature selection unit 444 simultaneously, or even be that the control panel controlling this driving gear 441 and this follower gear 443 is powered when this driving gear 441 and this follower gear 443 are automatically controlled gear.
The curved-surface display device 200 that present embodiment provides utilizes Curvature-driven unit 44 to drive multiple alloy portion 42 to be out of shape to change the curvature of this curvature adjustment backboard 40, thus adjustment is fixed on the curvature of flexible type display panel 30 on curvature adjustment backboard 40 and this heat sink 50.So, the curvature of this curved-surface display device 200 is adjustable, and its visual range provided also for adjustable, makes the display effect of this curved-surface display device 200 can meet user's multiple demands.And this heat sink 50 is clipped in display panel 30 and curvature adjusts between backboard 40, have following effect: the first, smooth effect, this heat sink 50 keeps this display panel 30 surface smoothing and not by the scratch of curvature adjustment backboard 40; The second, play reflection action, promote light efficiency utilization factor; Three, play thermolysis, when this display panel 30 works produce heat directly left by this heat sink 50, or pass to again after this heat sink 50 this curvature adjustment backboard 40 on dissipate, so can extend the serviceable life of display panel 30.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.