CN106980195B - Display device and mobile terminal - Google Patents
Display device and mobile terminal Download PDFInfo
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- CN106980195B CN106980195B CN201710251474.7A CN201710251474A CN106980195B CN 106980195 B CN106980195 B CN 106980195B CN 201710251474 A CN201710251474 A CN 201710251474A CN 106980195 B CN106980195 B CN 106980195B
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- display
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- 239000010410 layer Substances 0.000 claims abstract description 373
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 107
- 239000011241 protective layer Substances 0.000 claims abstract description 63
- 239000000758 substrate Substances 0.000 claims description 78
- 239000000049 pigment Substances 0.000 claims description 14
- 230000005525 hole transport Effects 0.000 claims description 11
- 238000005538 encapsulation Methods 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims 2
- 238000010030 laminating Methods 0.000 abstract 2
- 230000005611 electricity Effects 0.000 abstract 1
- 235000009537 plain noodles Nutrition 0.000 abstract 1
- 230000002787 reinforcement Effects 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 18
- 239000010408 film Substances 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 11
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 238000005137 deposition process Methods 0.000 description 6
- 239000003292 glue Substances 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 241001391944 Commicarpus scandens Species 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000005019 vapor deposition process Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model provides a display device and mobile terminal, display device includes actuating layer and protective layer, the actuating layer is used for the electricity to connect the circuit board and drive liquid crystal transformation orientation, the protective layer have towards the user the light-emitting surface with the light-entering surface that deviates from mutually of light-emitting surface, the light-entering surface of protective layer with the actuating layer laminating mutually, the protective layer covers completely the actuating layer. Through the income plain noodles of protective layer with the actuating layer laminating mutually, the protective layer covers completely the actuating layer, the protective layer is right the actuating layer carries out the reinforcement, make the actuating layer obtains the support, thereby the actuating layer is difficult for the fracture, makes display device structure is firm reliable.
Description
Technical Field
The present invention relates to the field of electronic communications, and in particular, to a display device and a mobile terminal.
Background
At present, a display device of a mobile phone has a liquid crystal layer, a driving layer attached to the liquid crystal layer, and a backlight attached to a side of the driving layer opposite to the liquid crystal layer. In most cases, there are protrusions of the driving layer relative to the edges of the liquid crystal layer and the edges of the backlight. The upper side and the lower side of the convex part of the driving layer are not provided with supporting structures, so that the convex part of the driving layer is suspended, and the convex part of the driving layer is easy to break and damage, and the structure of the display device is unreliable.
Disclosure of Invention
The invention provides a display device with a reliable and stable structure, a mobile terminal and a manufacturing method of the display device.
The invention provides a display device, which comprises a driving layer and a protective layer, wherein the driving layer is used for being electrically connected with a circuit board and driving liquid crystal to change orientation, the protective layer is provided with a light emitting surface facing a user and a light entering surface deviating from the light emitting surface, the light entering surface of the protective layer is attached to the driving layer, and the protective layer completely covers the driving layer.
The invention further provides the mobile terminal, wherein the display device of the mobile terminal.
According to the display device, the mobile terminal and the manufacturing method of the display device, the light incident surface of the protective layer is attached to the driving layer, the protective layer completely covers the driving layer, and the protective layer reinforces the driving layer to support the driving layer, so that the driving layer is not easy to break, and the display device is stable and reliable in structure.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a display device of the present invention;
FIG. 2 is another cross-sectional schematic view of the display device of the present invention;
FIG. 3 is another cross-sectional schematic view of the display device of the present invention;
FIG. 4 is a schematic diagram of a driving layer of a display device of the present invention;
FIG. 5 is another cross-sectional schematic view of the display device of the present invention;
FIG. 6 is another cross-sectional schematic view of the display device of the present invention;
FIG. 7 is another cross-sectional schematic view of the display device of the present invention;
FIG. 8 is another cross-sectional schematic view of a display device of the present invention;
FIG. 9 is another cross-sectional schematic view of the display device of the present invention;
FIG. 10 is another cross-sectional schematic view of the display device of the present invention;
FIG. 11 is another cross-sectional schematic view of the display device of the present invention;
FIG. 12 is another cross-sectional schematic view of a display device of the present invention;
FIG. 13 is another cross-sectional schematic view of a display device of the present invention;
FIG. 14 is another cross-sectional schematic view of a display device of the present invention;
FIG. 15 is another cross-sectional schematic view of a display device of the present invention;
FIG. 16 is another cross-sectional schematic view of a display device of the present invention;
fig. 17 is a schematic cross-sectional view of a mobile terminal of the present invention;
FIG. 18 is a schematic flow chart of a method for fabricating a display device according to the present invention;
FIG. 19 is a schematic view of another process of the method for fabricating a display device according to the present invention;
fig. 20 is another flow chart of the method for manufacturing the display device of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 together, a display device 100 according to an embodiment of the invention includes a driving layer 10 and a protective layer 20, wherein the driving layer 10 is electrically connected to a circuit board and drives the liquid crystal to change orientation. The protective layer 20 has a light exit surface 21 facing the user and a light entrance surface 22 facing away from the light exit surface 21, the light entrance surface 22 of the protective layer 20 is attached to the driving layer 10, and the protective layer 20 completely covers the driving layer 10. It is understood that the display device 100 is applied to a mobile terminal, which may be a mobile phone, a tablet computer, a notebook computer, or the like.
Through the light incident surface 22 of the protection layer 20 and the driving layer 10 are attached, the protection layer 20 completely covers the driving layer 10, and the protection layer 20 reinforces the driving layer 10, so that the driving layer 10 is supported, and the driving layer 10 is not easy to break, so that the structure of the display device 100 is stable and reliable.
In this embodiment, the driving layer 10 has a switching device region 11 and a conductive region 12 connected to one side of the switching device region 11. The switching device region 11 switches the orientation of the liquid crystal by providing switching devices to drive the liquid crystal. The switching device region 11 may transmit light, so that the display apparatus 100 may display picture contents. The conductive areas 12 acquire electrical signals through an electrical connection circuit board. The protective layer 20 is transparent to light, and the protective layer 20 protects the driving layer 10. The protective layer 20 covers the switching device region 11 and the conductive region 12, and both the switching device region 11 and the conductive region 12 of the driving layer 10 may be stress-supported by the protective layer 20. And the switch device 11 and the conductive region 12 are both provided with stress sensitive devices, so that the stress sensitive devices of the driving layer 10 are protected, i.e. the driving layer 10 is not easily damaged, thereby improving the safety of the display device 100. The light-emitting surface 21 faces the user, that is, the display light of the display device 100 passes through the protective layer 20 and exits from the light-emitting surface 21. The light incident surface 22 faces away from the user, that is, the display light of the display device 100 is incident into the protective layer 20 from the light incident surface 22.
Further, referring to fig. 2, the display device 100 further includes a display layer, the display layer is configured to display an image, and the driving layer 10 is stacked on the display layer and drives the display layer to display. The display layer is laminated on the opposite side of the driving layer 10 from the protective layer 20.
In one embodiment, the display layer includes a liquid crystal layer 30, the liquid crystal layer 30 is fixed on a side of the driving layer 10 opposite to the protective layer 20, the driving layer 10 has a portion protruding relative to an edge of the liquid crystal layer 30, and the portion of the driving layer 10 protruding relative to the edge of the liquid crystal layer 30 is electrically connected to the circuit board.
In the present embodiment, the liquid crystal layer 30 selects the passage or blocking of light by changing the orientation of liquid crystal, and various pattern images are displayed on the liquid crystal layer 30. The liquid crystal layer 30 overlaps the switching device region 11 in the orthographic projection region of the driving layer 10, and the switching devices on the switching device region 11 drive the liquid crystal layer 30 to change the liquid crystal orientation. The conductive region 12 forms a portion of the driving layer 10 protruding with respect to the edge of the liquid crystal layer 30. The liquid crystal layer 30 has a first face 31 and a second face 32 disposed opposite the first face 31. The first surface 31 is attached to the driving layer 10. The light source of the display device 100 is adjacent to the second face 32 of the liquid crystal layer 30. The light source light of the display device 100 is incident on the first surface 31 from the second surface 32, and a pattern screen is displayed on the first surface 31. The liquid crystal layer 30 includes two alignment films 33, a liquid crystal 34 between the two alignment films 33, and a packaging adhesive 35 for packaging the liquid crystal 34, wherein the packaging adhesive 35 forms an edge of the liquid crystal layer 30. The encapsulation glue 35 and the two alignment films 33 form a liquid crystal box, and the liquid crystal layer 30 is filled in the liquid crystal box. The conductive region 12 of the driving layer 10 protrudes with respect to the encapsulation glue 35.
Further, referring to fig. 3 and 4, the driving layer 10 includes a driving substrate 13, a switching device 14, and a conductive terminal 15, the switching device 14 is arranged in a region of the driving substrate 13 opposite to the liquid crystal layer 30, the switching device 14 is used for driving the liquid crystal layer 30 to change the liquid crystal orientation, the conductive terminal 15 is fixed in a region of the driving substrate 13 protruding relative to the edge of the liquid crystal layer 30, and is electrically connected to the switching device 14, and the conductive terminal 15 is further electrically connected to the circuit board.
In the present embodiment, the region of the drive substrate 13 facing the liquid crystal layer 30 overlaps the switching device region 11 of the drive layer 10. The area of the drive substrate 13 protruding relative to the edge of the liquid crystal layer 30 coincides with the conductive area 12 of the drive layer 10. Specifically, the driving substrate 13 includes a switching array portion 131 overlapping the switching device region 11, a first conductive portion 132 located at one lateral side of the switching array portion 131, and a second conductive portion 133 located at one longitudinal side of the switching array portion 131. The switching device 14 is a TFT (Thin Film Transistor ) device. The switch array portion 131 has a plurality of the switching devices 14 arrayed thereon. The first conductive parts 132 are arranged with a plurality of first conductive terminals 151 corresponding to the plurality of rows of the switching devices 14 in the longitudinal direction. The second conductive portions 133 are arranged with a plurality of second conductive terminals 152 corresponding to the plurality of columns of the switching devices 14 in the lateral direction. The driving layer 10 further includes a first data line 161 connecting the plurality of switching devices 14 in the lateral direction of the driving substrate 13 and a second data line 162 connecting the plurality of switching devices 14 in the longitudinal direction of the driving substrate 13. One end of the first data line 161 is electrically connected to the first conductive terminal 151 on the first conductive part 132. One end of the second data line 162 is electrically connected to the second conductive terminal 152 on the second conductive part 133. The first conductive terminal 151 and the second conductive terminal 152 of the driving layer 10 are electrically connected to a motherboard of the mobile terminal via a circuit board. The first conductive terminal 151 and the second conductive terminal 152 are stress sensitive devices, and the protective layer 20 stress-supports the first conductive portion 132 and the second conductive portion 133, so that the safety of the first conductive terminal 151 and the second conductive terminal 152, that is, the reliability of the driving layer 10 is ensured.
Further, referring to fig. 5, the display layer further includes a first polarizer 40, and the first polarizer 40 is fixed between the liquid crystal layer 30 and the driving layer 10.
In this embodiment, the first polarizer 40 polarizes the light transmitted through the liquid crystal layer 30, so that the light transmitted through the first polarizer 40 forms an image that can be observed by a user. The first polarizer 40 coincides with the switching device region 11 in the orthographic projection area of the driving layer 10. I.e., the driving layer 10 has a convex portion at the edge of the first polarizer 40.
In one embodiment, referring to fig. 6, the first polarizer 40 may be further laminated between the protective layer 20 and the driving layer 10. The first polarizer 40 covers the driving layer 10, and the first polarizer 40 supports the portion of the driving layer 10 protruding from the edge of the liquid crystal layer 30. The driving layer 10 is attached to the protective layer 20 through the first polarizer 40, so as to enhance the structural stability of the display device 100.
Further, referring to fig. 7, the display layer further includes a second polarizer 50, and the second polarizer 50 is fixed on a side of the liquid crystal layer 30 opposite to the driving layer 10.
In this embodiment, the second polarizer 50 polarizes the light of the light source of the display device 100 and then makes the polarized light enter the liquid crystal layer 30, so that the liquid crystal layer 30 can process the light of the second polarizer 50. The second polarizer 50 coincides with the liquid crystal layer 30 in the orthographic projection area of the liquid crystal layer 30.
Further, referring to fig. 8, the display layer further includes a filter layer 60. The filter layer 60 is laminated on a side of the liquid crystal layer 30 opposite to the driving layer 10, and the filter layer 60 overlaps the liquid crystal layer 30 in a forward projection region of the liquid crystal layer 30.
In this embodiment, the filter layer 60 filters the light from the light source of the display device 100, and then allows the colored light to enter the liquid crystal layer 30. The filter layer 60 includes a dye layer 61 laminated on the liquid crystal layer 30 and a filter substrate 62 laminated on a side of the dye layer 61 opposite to the liquid crystal layer. The pigment layer 61 is arranged with a plurality of pixels, each of which is composed of at least two sub-pixels. And each pixel corresponds to a switching device 14 of the driving layer 10. The filter substrate 62 is a CF (color filter) substrate. The light source light of the display device 100 passes through the filter substrate 62 and then passes through the pigment layer 61. The pigment layer 61 is laminated on the opposite side of the second polarizer 50 from the liquid crystal layer 30.
In one embodiment, referring to fig. 9, the filter substrate 62 may be further attached to the second polarizer 50, and the pigment layer 61 is laminated on a side of the filter substrate 62 opposite to the second polarizer 50. The light source light of the display device 100 passes through the pigment layer 61 and then passes through the pigment layer 62.
Further, referring to fig. 10, the display device 100 further includes a backlight 70, the backlight 70 is fixed on a side of the filter layer 60 opposite to the liquid crystal layer 30, and the backlight 70 overlaps the filter layer 60 in a front projection area of the filter layer 60.
In the present embodiment, the backlight 70 is composed of a light guide plate and LED lamps fixed to the peripheral side of the light guide plate. The light of the backlight 70 sequentially passes through the filter layer 60, the second polarizer 50, the liquid crystal layer 30, the first polarizer 40, the driving layer 10 and the protective layer 20.
In one embodiment, referring to fig. 11, the filter layer 60 may also be attached to the liquid crystal layer 30. The second polarizer 50 is attached to the opposite side of the filter layer 60 from the liquid crystal layer 30. The light of the backlight 70 sequentially passes through the second polarizer 50, the filter layer 60, the liquid crystal layer 30, the first polarizer 40, the driving layer 10 and the protective layer 20.
In one embodiment, referring to fig. 12, the filter layer 60 may also be attached to the driving layer 10. The first polarizer 40 is laminated on a side of the filter layer 60 opposite to the driving layer 10, and the liquid crystal layer 30 is attached to a side of the first polarizer 40 opposite to the filter layer 60. The second polarizer 50 is attached to the opposite side of the liquid crystal layer 30 from the first polarizer 40. The backlight 70 is attached to a side of the second polarizer 50 opposite to the liquid crystal layer 30. The light of the backlight 70 sequentially passes through the second polarizer 50, the liquid crystal layer 30, the first polarizer 40, the filter layer 60, the driving layer 10 and the protective layer 20.
In one embodiment, referring to fig. 13, the protective layer 20, the driving layer 10, the first polarizer 40, the filter layer 60, the liquid crystal layer 30, the second polarizer 50, and the backlight 70 are sequentially stacked. The light of the backlight 70 sequentially passes through the second polarizer 50, the liquid crystal layer 30, the filter layer 60, the first polarizer 40, the driving layer 10 and the protective layer 20.
Further, the protective layer 20 includes a transparent substrate and a touch substrate, and the touch substrate is integrated in the transparent substrate.
In this embodiment, the light-transmitting substrate is a glass cover plate. The light-emitting surface 21 and the light-entering surface 22 are both disposed on the light-transmitting substrate. The light-transmitting substrate can transmit the light emitted from the driving layer 10. The touch substrate is configured to receive touch information of a user, so as to trigger the display device 100 to send a touch instruction to the mobile terminal.
In one embodiment, referring to fig. 14, the protective layer 20 includes a transparent substrate 23 and a touch substrate 24 stacked on the transparent substrate 23. The touch substrate 24 is attached to the light-transmitting substrate 23. The light-emitting surface 21 is disposed on a side of the light-transmitting substrate 23 opposite to the touch substrate 24. The light incident surface 22 is disposed on a side of the touch substrate 24 opposite to the light-transmitting substrate 23.
In one embodiment, referring to fig. 15, the display layer includes an organic light emitting layer 230, the driving layer 10 is an anode layer, and the organic light emitting layer 230 is laminated on a side of the driving layer 10 opposite to the protective layer 20. The driving layer 10 has a portion protruding with respect to an edge of the organic light emitting layer 230, and the portion of the driving layer 10 protruding with respect to the edge of the organic light emitting layer 230 is electrically connected to the circuit board. The display layer further includes a cathode layer 240, where the cathode layer 240 is laminated on a side of the organic light emitting layer 230 opposite to the driving layer 10, and drives the organic light emitting layer 230 to display together with the driving layer 10.
In this embodiment, the driving layer 10 is formed on the light incident surface 22 of the protection layer 20 by a vapor deposition process. The driving layer 10 is electrically connected to the cathode layer 240, and forms an electric field to the organic light emitting layer 230, thereby driving the organic light emitting layer 230 to emit light to display an image.
Further, referring to fig. 16, the display layer further includes a hole transport layer 250 and an electron transport layer 260, the hole transport layer 250 is laminated between the driving layer 10 and the organic light emitting layer 230, and the electron transport layer 260 is laminated between the driving layer 10 and the cathode layer 240.
Referring to fig. 17, the present invention further provides a mobile terminal 200, where the mobile terminal 200 includes the display device 100. The mobile terminal 200 further includes a housing 81, a main board 82, and a circuit board 83. The display device 100 is fixed to the housing 81. The main board 82 and the circuit board 83 are fixed in the housing 81, and the circuit board 83 is electrically connected between the main board 82 and the display device 100.
Referring to fig. 18, the present invention further provides a method for manufacturing a display device, the method for manufacturing a display device includes the steps of:
s101: the protective layer 20 is molded, and the protective layer 20 has a light exit surface 21 facing the user and a light entrance surface 22 opposite to the light exit surface 21.
In this embodiment, in the step of forming the protective layer 20, the transparent substrate 23 is formed by a deposition process and the touch substrate is integrated into the transparent substrate 23.
In one embodiment, in the step of forming the protective layer 20, the touch substrate 24 may be formed on one side of the transparent substrate 23 by a deposition process after the transparent substrate 23 is formed by a roll forming process.
S102: a driving layer 10 is formed on the light incident surface 22 of the protection layer 10, wherein the protection layer 20 completely covers the driving layer 10.
In this embodiment, the driving layer 10 is formed on the protective layer 20 by a vacuum deposition process. The driving substrate 13 is first bonded to the light incident surface 22 of the protective layer 20. The switching device 14, the first data line 161, and the second data line 162 are then deposited on the switching array part 131 of the driving substrate 13. Finally, the first conductive terminal 151 and the second conductive terminal 152 are assembled on the first conductive portion 132 and the second conductive portion 133 of the driving substrate 13. By using the protective layer 20 as a substrate, the driving layer 10 is deposited and formed, so that the driving layer 10 is formed conveniently, and the manufacturing cost is saved.
In one embodiment, the driving layer 10 is provided with only the switching device 14, the first data line 161, the second data line 162, and the conductive terminal 15. In the step of molding the driving layer 10, the switching device 14, the first data line 161, the second data line 162, and the conductive terminal 15 are directly deposited on the light incident surface 22 of the protective layer 20.
S103: a first polarizer 40 is formed on a side of the driving layer 10 opposite to the protective layer 20, and the driving layer 10 has a portion protruding with respect to an edge of the first polarizer 40.
In this embodiment, the first polarizer 40 is adhered to the driving layer 10 by optical adhesive.
S104: and forming a liquid crystal layer 30 on the opposite side of the first polarizer 40 to the driving layer 10, wherein the liquid crystal layer 30 is positioned between the orthographic projection area of the first polarizer 40 and the first polarizer 40.
In this embodiment, a layer of the alignment film 31 is deposited on the first polarizer 40, then the encapsulation glue 33 is formed on the alignment film 31, then the liquid crystal 32 is filled inside the encapsulation glue 33, and finally a layer of the alignment film 31 is deposited to encapsulate the liquid crystal 32.
S105: a filter layer 60 is formed on a side of the liquid crystal layer 30 opposite to the driving layer 10, and the filter layer 60 overlaps the liquid crystal layer 30 in a forward projection area of the liquid crystal layer 30.
In this embodiment, the filter substrate 62 is molded by a roll molding process, and then the pigment layer 61 is deposited on the filter substrate 62. Finally, the pigment layer 61 and the filter substrate 62 are bonded together to the alignment film 31 of the liquid crystal layer 30.
In one embodiment, the filter substrate 62 may be formed by a roll forming process, then the filter substrate 62 is attached to the alignment film 31 of the liquid crystal layer 30, and finally the pigment layer 61 is deposited on the opposite side of the filter substrate 62 from the liquid crystal layer 30.
S106: and forming a second polarizer 50 on the opposite side of the filter layer 60 from the liquid crystal layer 30, wherein the second polarizer 50 is the same as the filter layer 60 in the orthographic projection area of the filter layer 60.
In this embodiment, the second polarizer 50 is adhered to the driving layer 10 by optical adhesive.
S107: and manufacturing a backlight source 70 on the opposite side of the second polarizer 50 and the filter layer 60, wherein the backlight source 70 is overlapped with the filter layer 60 in the orthographic projection area of the second polarizer 50.
In this embodiment, the backlight 70 is adhered to the second polarizer 50 by optical adhesive.
Referring to fig. 19, in one embodiment, another method for manufacturing the display device is provided:
s201: the protective layer 20 is molded, and the protective layer 20 has a light exit surface 21 facing the user and a light entrance surface 22 opposite to the light exit surface 21.
In this embodiment, in the step of forming the protective layer 20, the transparent substrate 23 is formed by a deposition process and the touch substrate is integrated into the transparent substrate 23.
In one embodiment, in the step of forming the protective layer 20, the touch substrate 24 may be formed on one side of the transparent substrate 23 by a deposition process after the transparent substrate 23 is formed by a roll forming process.
S202: the driving layer 10 is molded.
In this embodiment, the driving substrate 13 is fabricated first, and then the switching device 14, the first data line 161, the second data line 162, the first conductive terminal 151 and the second conductive terminal 152 are deposited on the driving substrate 13. The length-width dimension of the driving substrate 13 is smaller than the length-width dimension of the protective layer 20.
S203: a first polarizer 40 is formed on one side of the driving layer 10, and the driving layer 10 has a portion protruding with respect to an edge of the first polarizer 40.
In this embodiment, the first polarizer 40 is adhered to the switching device 14 side of the driving layer 10 by optical adhesive.
S204: and forming a liquid crystal layer 30 on the opposite side of the first polarizer 40 to the driving layer 10, wherein the liquid crystal layer 30 is positioned between the orthographic projection area of the first polarizer 40 and the first polarizer 40.
In this embodiment, a layer of the alignment film 31 is deposited on the first polarizer 40, then the encapsulation glue 33 is formed on the alignment film 31, then the liquid crystal 32 is filled inside the encapsulation glue 33, and finally a layer of the alignment film 31 is deposited to encapsulate the liquid crystal 32.
S205: a filter layer 60 is formed on a side of the liquid crystal layer 30 opposite to the driving layer 10, and the filter layer 60 overlaps the liquid crystal layer 30 in a forward projection area of the liquid crystal layer 30.
In this embodiment, the filter substrate 62 is molded by a roll molding process, and then the pigment layer 61 is deposited on the filter substrate 62. Finally, the pigment layer 61 and the filter substrate 62 are bonded together to the alignment film 31 of the liquid crystal layer 30.
In one embodiment, the filter substrate 62 may be formed by a roll forming process, then the filter substrate 62 is attached to the alignment film 31 of the liquid crystal layer 30, and finally the pigment layer 61 is deposited on the opposite side of the filter substrate 62 from the liquid crystal layer 30.
S206: and forming a second polarizer 50 on the opposite side of the filter layer 60 from the liquid crystal layer 30, wherein the second polarizer 50 is the same as the filter layer 60 in the orthographic projection area of the filter layer 60.
In this embodiment, the second polarizer 50 is adhered to the driving layer 10 by optical adhesive.
S207: and manufacturing a backlight source 70 on the opposite side of the second polarizer 50 and the filter layer 60, wherein the backlight source 70 is overlapped with the filter layer 60 in the orthographic projection area of the second polarizer 50.
In this embodiment, the backlight 70 is adhered to the second polarizer 50 by optical adhesive.
S208: the driving layer 10 and the first polarizer 40 are attached to the light incident surface 22 of the protection layer 20 at a side opposite to the first polarizer, and the protection layer 20 completely covers the driving layer 10.
Referring to fig. 20, in one embodiment, another method for manufacturing the display device is provided:
s301: the protective layer 20 is molded, and the protective layer 20 has a light exit surface 21 facing the user and a light entrance surface 22 opposite to the light exit surface 21.
In this embodiment, in the step of forming the protective layer 20, the transparent substrate 23 is formed by a deposition process and the touch substrate is integrated into the transparent substrate 23.
In one embodiment, in the step of forming the protective layer 20, the touch substrate 24 may be formed on one side of the transparent substrate 23 by a deposition process after the transparent substrate 23 is formed by a roll forming process.
S302: the driving layer 10 is molded.
In this embodiment, the driving layer 10 is an anode layer. The driving layer 10 is formed on the light incident surface 22 of the protection layer 20 by an evaporation process.
S303: a hole transport layer 250 is formed on the side of the driving layer 10 opposite to the protective layer 20, and the driving layer 10 has a portion protruding with respect to the edge of the hole transport layer 250.
In this embodiment, the portion of the driving layer 10 protruding from the edge of the hole transport layer 250 is electrically connected to a circuit board, so that the driving layer 10 receives an electrical signal, and drives the display layer to display.
S304: an organic light emitting layer 230 is formed on a side of the hole transport layer 250 opposite to the driving layer 10, and the organic light emitting layer 230 overlaps with the hole transport layer 250 in a forward projection region of the hole transport layer 250.
S305: an electron transport layer 260 is formed on a side of the organic light emitting layer 230 opposite to the hole transport layer 250, and the electron transport layer 260 overlaps the organic light emitting layer 230 in a forward projection region of the organic light emitting layer 230.
S306: a cathode layer 240 is formed on a side of the electron transport layer 260 opposite to the organic light emitting layer 230, and the cathode layer 240 overlaps the electron transport layer 260 in a forward projection region of the electron transport layer 260. According to the display device, the mobile terminal and the manufacturing method of the display device, the light incident surface of the protective layer is attached to the driving layer, the protective layer completely covers the driving layer, and the protective layer reinforces the driving layer to support the driving layer, so that the driving layer is not easy to break, and the display device is stable and reliable in structure.
The foregoing disclosure is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the scope of the invention, as it is understood by those skilled in the art that all or part of the above-described embodiments may be practiced with equivalents thereof, which fall within the scope of the invention as defined by the appended claims.
Claims (14)
1. The display device is characterized by comprising a display layer, a driving layer and a protective layer, wherein the display layer is used for displaying images, the display layer comprises a liquid crystal layer which is fixed on one side, away from the protective layer, of the driving layer, the driving layer is laminated on the display layer and is driven to display, the driving layer is provided with a switching device area and a conductive area which is connected with one side of the switching device area, the liquid crystal layer is overlapped with the switching device area in a front projection area of the driving layer, the switching device area drives the liquid crystal layer to change the liquid crystal orientation, the conductive area is electrically connected with a circuit board to acquire electric signals, and the switching device area and the conductive area are provided with stress sensitive devices; the driving layer comprises a driving substrate, a switching device and a conductive terminal, wherein the area, opposite to the liquid crystal layer, of the driving substrate coincides with the switching device area, the area, opposite to the edge of the liquid crystal layer, of the driving substrate, which protrudes, coincides with the conductive area, the switching device is arranged in the area, opposite to the liquid crystal layer, of the driving substrate so as to drive the liquid crystal layer to change the liquid crystal orientation, and the conductive terminal is fixed in the area, opposite to the edge of the liquid crystal layer, of the driving substrate and is electrically connected with the switching device; the driving substrate comprises a switch array part, a first conductive part and a second conductive part, wherein the switch array part coincides with the switch device area, the first conductive part is positioned at one side of the switch array part, the second conductive part is positioned at the other side of the switch array part, a plurality of switch devices are arranged on the switch array part in an array mode, the first conductive part is correspondingly provided with a plurality of first conductive terminals which are arranged in a plurality of rows of switch devices in the longitudinal direction, and the second conductive part is correspondingly provided with a plurality of second conductive terminals which are arranged in a plurality of columns of switch devices in the transverse direction; the protection layer is provided with a light emergent surface facing to a user and a light incident surface deviating from the light emergent surface, the light incident surface of the protection layer is attached to one side of the driving layer, which is opposite to the display layer, and the protection layer completely covers the switching device area and the conductive area of the driving layer, so that the switching device area and the conductive area can be supported by the stress of the protection layer.
2. The display device according to claim 1, wherein the driving layer has a portion protruding with respect to an edge of the liquid crystal layer, and the portion of the driving layer protruding with respect to the edge of the liquid crystal layer is electrically connected to the circuit board.
3. The display device of claim 2, wherein the conductive terminals are further electrically connected to the circuit board.
4. The display device of claim 2, wherein the display layer further comprises a first polarizer fixed between the liquid crystal layer and the driving layer.
5. The display device of claim 2, wherein the display layer further comprises a second polarizer secured to a side of the liquid crystal layer opposite the drive layer.
6. The display device according to claim 2, wherein the liquid crystal layer includes two alignment films, a liquid crystal between the two alignment films, and an encapsulation compound encapsulating the liquid crystal, the encapsulation compound constituting an edge of the liquid crystal layer.
7. The display device according to claim 2, wherein the display layer further comprises a filter layer laminated on a side of the liquid crystal layer opposite to the driving layer, the filter layer overlapping the liquid crystal layer in a forward projection region of the liquid crystal layer.
8. The display device according to claim 7, wherein the filter layer includes a pigment layer laminated on the liquid crystal layer and a filter substrate laminated on a side of the pigment layer opposite to the liquid crystal layer.
9. The display device of claim 7, further comprising a backlight secured to a side of the filter layer opposite the liquid crystal layer, the backlight coinciding with the filter layer in a forward projection region of the filter layer.
10. The display device according to claim 1, wherein the display layer includes an organic light-emitting layer, the driving layer is an anode layer, the organic light-emitting layer is laminated on a side of the driving layer facing away from the protective layer, the driving layer has a portion protruding with respect to an edge of the organic light-emitting layer, and the portion of the driving layer protruding with respect to the edge of the organic light-emitting layer is electrically connected to the circuit board.
11. The display device according to claim 10, wherein the display layer further comprises a cathode layer which is laminated on a side of the organic light-emitting layer opposite to the driving layer and which drives the organic light-emitting layer to display together with the driving layer.
12. The display device according to claim 11, wherein the display layer further comprises a hole transport layer and an electron transport layer, the hole transport layer being laminated between the driving layer and the organic light-emitting layer, the electron transport layer being laminated between the driving layer and the cathode layer.
13. The display device of any one of claims 1-12, wherein the protective layer comprises a light transmissive substrate and a touch substrate integrated within or laminated with the light transmissive substrate.
14. A mobile terminal, characterized in that it comprises a display device according to any one of claims 1-13.
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| CN104904327A (en) * | 2013-01-03 | 2015-09-09 | 苹果公司 | Narrow border displays for electronic devices |
| CN207051629U (en) * | 2017-04-17 | 2018-02-27 | 广东欧珀移动通信有限公司 | Display device and mobile terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2016157072A (en) * | 2015-02-26 | 2016-09-01 | 株式会社ジャパンディスプレイ | Display |
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| CN102778987A (en) * | 2012-06-29 | 2012-11-14 | 华为终端有限公司 | Projection type capacitance touch screen and preparation method thereof |
| CN103594485A (en) * | 2012-08-17 | 2014-02-19 | 苹果公司 | Narrow border organic light-emitting diode display |
| CN104904327A (en) * | 2013-01-03 | 2015-09-09 | 苹果公司 | Narrow border displays for electronic devices |
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