CN116068774A - Head-mounted electronic equipment and preparation method thereof - Google Patents
Head-mounted electronic equipment and preparation method thereof Download PDFInfo
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- CN116068774A CN116068774A CN202310202441.9A CN202310202441A CN116068774A CN 116068774 A CN116068774 A CN 116068774A CN 202310202441 A CN202310202441 A CN 202310202441A CN 116068774 A CN116068774 A CN 116068774A
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- 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
- G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
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- 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
- G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
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- 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
- G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
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- 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
- G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
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Abstract
The invention belongs to the technical field of head-mounted display, and particularly relates to head-mounted electronic equipment and a preparation method of the head-mounted electronic equipment. The head-mounted electronic device includes: the electronic paper display screen, the wearing piece and the control component connected with the electronic paper display screen; the shape of the electronic paper display screen is matched with the shape of the human face, the wearing piece is used for detachably fixing the electronic paper display screen on the human face, the control assembly comprises a pressure sensor located on the inner side of the electronic paper display screen and a control unit connected with the electronic paper display screen, the pressure sensor is used for detecting the pressure of the human face, and the control unit controls the display content of the electronic paper display screen according to a pressure signal generated by the pressure sensor. The invention can dynamically display the facial expression of the user, and also enables the head-mounted electronic equipment to have better man-machine interaction and use experience.
Description
Technical Field
The invention belongs to the technical field of head-mounted display, and particularly relates to head-mounted electronic equipment and a preparation method of the head-mounted electronic equipment.
Background
Currently, people with large-area burns on the face often lose part or all of the facial expression ability, and long-term scar-indication can cause a certain personal psychological burden. And most choose to wear the mask to mask the large area of the face.
However, in the existing wearable masks on the market, the wearer cannot display the facial expression to be expressed outwards, that is, cannot display the facial expression, so that the expression of the facial expression is greatly influenced when the crowd communicates.
Disclosure of Invention
An aim of the embodiments of the present application is to provide a head-mounted electronic device, which aims to solve the problem of how to make a wearer display facial expressions.
In order to achieve the above purpose, the technical scheme adopted in the application is as follows:
in a first aspect, there is provided a head-mounted electronic device worn on a face of a human body, the head-mounted electronic device comprising: the electronic paper display screen, the wearing piece and the control component connected with the electronic paper display screen; the shape of the electronic paper display screen is adapted to the shape of the human face, the wearing piece is used for detachably fixing the electronic paper display screen on the human face, the control assembly comprises a pressure sensor and a control unit, the pressure sensor is located on the inner side of the electronic paper display screen, the control unit is connected with the electronic paper display screen, the pressure sensor is used for detecting the pressure of the human face, and the control unit controls the display content of the electronic paper display screen according to a pressure signal generated by the pressure sensor.
In some embodiments, a plurality of pressure sensors are arranged at intervals, and each pressure sensor generates a different pressure signal.
In some embodiments, the electronic paper display screen includes a thin film layer made of a thermoplastic and transparent material, an electronic ink layer for displaying the expression of the face of the human body, an array layer for controlling the electronic ink layer, and a substrate layer made of a thermoplastic and transparent material, wherein the substrate layer, the array layer, the electronic ink layer, and the thin film layer are sequentially stacked, the electronic paper display screen further includes a driving structure for driving the array layer, and the thin film layer faces the surface of the substrate layer and is further provided with a common electrode layer.
In some embodiments, the array layer includes a substrate, a thin film transistor, a first connection line and a second connection line, where the thin film transistor, the first connection line and the second connection line are all connected to the substrate, and the thin film transistor is arranged on the substrate in an array manner and each of the thin film transistors is arranged at intervals; any two adjacent thin film transistors are connected through a first connecting wire along a first direction; and along a second direction, any two adjacent thin film transistors are connected through a second connecting line, and the first direction is orthogonal to the second direction.
In some embodiments, the substrate is provided with a hollowed-out hole; the hollow holes are arranged between any two adjacent first connecting lines along the first direction, or the hollow holes are arranged between any two adjacent second connecting lines along the second direction.
In some embodiments, the substrate includes a plurality of island regions and a plurality of extension regions, and each of the thin film transistors is disposed in each of the island regions; any two adjacent island regions are connected along a first direction through one telescopic region, and the corresponding first connecting lines are arranged in the corresponding telescopic regions; any two adjacent island regions are also connected along a second direction through one telescopic region, and the corresponding second connecting lines are arranged in the corresponding telescopic regions; the hollowed-out holes are located between two adjacent telescopic areas along the first direction or the second direction.
In some embodiments, the array layer further includes a diffuse reflection layer, the diffuse reflection layer is located on a surface of the electronic ink layer facing the substrate, and positions of the diffuse reflection layer corresponding to the thin film transistors are provided with avoiding holes; the diffuse reflection layer has the same color as the human face.
In some embodiments, the head-mounted electronic device further comprises a liner and a connector removably connecting the liner and the electronic paper display screen, the liner being located between the human face and the electronic paper display screen.
In some embodiments, the electronic ink layer comprises a plurality of microcapsules, any of which is black, brown, or yellow in color.
In a second aspect, a method for preparing a head-mounted electronic device is provided, where the method for preparing a head-mounted electronic device includes the following steps:
preparing an electronic paper display screen to be formed, a control assembly, wearing parts, a forming die, an air extracting device and a heating device, wherein the forming die is provided with a forming cavity with an opening, and the cavity bottom of the forming cavity is provided with an air extracting hole communicated with an external space;
placing the electronic paper display screen to be formed in the opening;
the heating device heats the forming die to heat the electronic paper display screen to be formed to a preset temperature;
the air extraction end of the air extraction device is communicated with the air extraction hole and extracts air in the forming cavity so that the electronic paper display screen to be processed is recessed and bent in the forming cavity under the action of vacuum negative pressure and is formed into a preset shape;
and connecting the wearing piece and the control component with the electronic paper display screen.
The beneficial effects of this application lie in: the head-mounted electronic device comprises an electronic paper display screen, a wearing piece and a control component. The shape of electronic paper display screen is fit for human face, wears the piece and can conveniently fix electronic paper display screen at human face, and the control assembly that pressure sensor and control unit constitute can control the demonstration content of electronic paper display screen according to human face's pressure for wear-type electronic equipment can show user's facial expression dynamically, still makes wear-type electronic equipment have better human-computer interaction and use experience.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required for the description of the embodiments or exemplary techniques will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.
Fig. 1 is a schematic structural diagram of an electronic paper display screen to be shaped of a head-mounted electronic device according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of the electronic paper display screen to be shaped of FIG. 1;
FIG. 3 is a schematic partial cross-sectional view of the electronic paper display screen to be shaped of FIG. 2;
FIG. 4 is an equivalent schematic diagram of the storage capacitor formed between the display electrode and the auxiliary electrode in FIG. 3;
fig. 5 is a schematic structural diagram of a forming mold of a method for manufacturing a head-mounted electronic device according to an embodiment of the present application;
fig. 6 is a flowchart of a method for manufacturing a head-mounted electronic device according to an embodiment of the present application.
Wherein, each reference sign in the figure:
100. an electronic paper display screen; 10. a thin film layer; 20. an electronic ink layer; 30. an array layer; 40. a substrate layer; 11. a common electrode layer; 31. a substrate; 311. island regions; 312. a telescoping zone; 313. a hollowed hole; 33. a first connecting line; 34. a second connecting line; 71. a gate; 72. an active layer; 73. a source electrode; 74. a drain electrode; 751. a lower insulating layer; 752. an upper insulating layer; 200. a forming die; 201. a forming cavity; 202. an air suction hole; 77. a hard substrate; 32. a thin film transistor; 761. a display electrode layer; 762. an auxiliary electrode layer; 9. and a storage capacitor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the orientation or positional relationship shown in the drawings, are for convenience of description only, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application, and the specific meaning of the terms described above may be understood by those of ordinary skill in the art as appropriate. The terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "a plurality of" is two or more, unless specifically defined otherwise.
Referring to fig. 1 to 3, a head-mounted electronic device is provided in an embodiment of the present application, and is worn on a face of a human body to cover a part of the face of the human body.
The head-mounted electronic device includes: the electronic paper display screen 100, wearing parts and a control component connected with the electronic paper display screen 100; the electronic paper display 100 employs an electrophoretic display (EPD) as a display panel, which has a display effect similar to that of natural paper, is characterized by high contrast, low power consumption, and is capable of displaying text and images in a manner similar to that of a printed material. Can be applied to equipment such as electronic readers, digital signage, portable electronic devices and the like. The low power design of the electronic paper display 100 can ensure that the head-mounted electronic device will not interrupt display due to power supply problems when used for a long time. The shape of the electronic paper display 100 is adapted to the shape of the human face, ensuring a comfortable and natural wearing experience for the user. It can be understood that the display surface of the electronic paper display screen 100 is located outside the electronic paper display screen 100, and the display surface of the electronic paper display screen 100 is spatially curved. The wearing piece is used for detachably fixing the electronic paper display screen 100 to the face of a human body and can be conveniently detached. It is understood that the wearing piece can be a wearing rope, and two ends of the display screen can be respectively connected to two ears of a human body through the two wearing ropes. The control assembly comprises a pressure sensor positioned at the inner side of the electronic paper display screen 100 and a control unit connected with the electronic paper display screen 100, wherein in the use process, muscles of the face of a human body apply pressure to the pressure sensor, the pressure sensor detects the pressure of the face of the human body and generates a corresponding pressure signal, and the control unit controls the display content of the electronic paper display screen according to the pressure signal. The display content is a facial expression to be displayed to the outside of the user, and the facial expression can be smile, angry or suspected expression.
Referring to fig. 1 to 3, the head-mounted electronic device provided in this embodiment includes an electronic paper display 100, a wearing piece and a control component. The shape of the electronic paper display screen 100 is suitable for the face of a human body, the wearing piece can conveniently fix the electronic paper display screen 100 on the face of the human body, and the display content of the electronic paper display screen 100 can be controlled by the control component consisting of the pressure sensor and the control unit according to the pressure of the face of the human body, so that the head-mounted electronic equipment can dynamically display the facial expression of a user, and further the head-mounted electronic equipment has better man-machine interaction and use experience.
In some embodiments, a plurality of pressure sensors are arranged at intervals, each pressure sensor generating a different pressure signal, each pressure signal representing a different facial expression. The face of the user triggers the pressure sensors at different positions, so that the control unit controls the electronic paper display screen 100 to display the corresponding facial expression, and the control component of the head-mounted electronic device has higher flexibility, so that the display content can be adjusted according to the user requirement.
Optionally, the head-mounted electronic device further includes a power supply, and the control unit and the power supply may be respectively disposed at two sides of the electronic paper display screen 100; or the power supply is arranged at the rear part of the head of the user and is positioned at the position of the hindbrain, so that the weight of the head-mounted electronic equipment in front of the head of the human body is reduced. The wearing piece has a wire inside, through which a power supply can be electrically connected to the electronic paper display screen 100 and the control unit.
Referring to fig. 1 to 3, in some embodiments, the electronic paper display 100 includes a thin film layer 10 made of a thermoplastic and transparent material, an electronic ink layer 20 for displaying an expression of a face of a human body, an array layer 30 that is stretchable and deformable and is used for controlling the electronic ink layer 20, and a substrate layer 40 made of a thermoplastic and transparent material, the substrate layer 40, the array layer 30, the electronic ink layer 20, and the thin film layer 10 are sequentially stacked, the electronic paper display 100 further includes a driving structure for driving the array layer 30, and a surface of the thin film layer 10 facing the substrate layer 40 is further provided with a common electrode layer 11.
Referring to fig. 1 to 3, alternatively, the material of the film layer 10 may be PET (polyethyleneterephthalate) plastic, and the material of the substrate layer 40 may be PP (polypropylene) plastic, PET plastic, PC (Polycarbonate) plastic, PS (Polystyrene) plastic, ABS (AcrylonitrileButadiene Styrene plastic) plastic, AS (acrylonitrile-styrene copolymer) plastic, or the like.
It can be appreciated that the film layer 10 and the substrate layer 40 made of thermoplastic materials can form the electronic paper display screen 100 on a complex space curved surface, so as to realize the shaping and normal display of the electronic paper display screen 100 on the complex curved surface. Optionally, the transparent common electrode layer 11 is plated on the thin film layer 10, and the material of the common electrode layer 11 may be ITO (Indium tinoxide) or PEDOT: PSS (3, 4-ethylioxythiophene): polystyrene.
Referring to fig. 1 to 3, in some embodiments, the array layer 30 includes a substrate 31, a thin film transistor 32, a first connection line 33 and a second connection line 34, the thin film transistor 32, the first connection line 33 and the second connection line 34 are all connected to the substrate 31, the thin film transistor 32 is arranged on the substrate 31 in an array manner, and the thin film transistors 32 are arranged at intervals; any two adjacent thin film transistors 32 are connected by a first connection line 33 along the first direction; any two adjacent thin film transistors 32 are connected by a second connection line 34 along a second direction, and the first direction is orthogonal to the second direction. Alternatively, the substrate 31 may be made of a thermoplastic and transparent material to facilitate heat setting of the array layer 30. It will be appreciated that the plurality of thin film transistors 32 are arranged in a plurality of columns along a first direction, and the plurality of thin film transistors 32 are arranged in a plurality of rows along a second direction, i.e., the first direction is the direction along which the columns extend, the second direction being the direction along which the rows extend.
Referring to fig. 2, optionally, the first direction is an X direction, and the second direction is a Y direction.
Alternatively, the first connection line 33 is a scan line, and the second connection line 34 is a signal line.
Alternatively, the electronic ink layer 20 has a plurality of display areas, each of which is disposed corresponding to each of the thin film transistors 32, respectively.
Referring to fig. 1 to 3, in some embodiments, the substrate 31 is provided with a hollow hole 313; a hollow hole 313 is arranged between any two adjacent first connecting lines 33 along the first direction, or a hollow hole 313 is arranged between any two adjacent second connecting lines 34 along the second direction. By providing the plurality of hollowed holes 313, the stretchability of the substrate 31 is improved, and the hollowed holes 313 are provided between the two first connecting lines 33 or the two second connecting lines 34, so that the first connecting lines 33 and the second connecting lines 34 can be kept stable as much as possible when the substrate 31 is bent and deformed.
Referring to fig. 1 to 3, optionally, the materials of the signal line and the scan line are stretchable and elastically deformed, such as: multiple stacked metal layer materials, stretchable electrode materials (PEDOT: PSS), and metal nanowire doped polymer materials, and the like.
Optionally, the electronic paper display 100 further includes a driving component for driving each of the thin film transistors 32, where the driving component is active driving.
Referring to fig. 1 to 3, in some embodiments, the substrate 31 includes a plurality of island regions 311 and a plurality of extension regions 312, and each of the thin film transistors 32 is disposed in each of the island regions 311; any two adjacent island regions 311 are connected along a first direction through a telescopic region 312, and corresponding first connecting lines 33 are arranged in corresponding telescopic regions 312; any two adjacent island regions 311 are also connected along the second direction by a telescopic region 312, and the corresponding second connecting line 34 is arranged in the corresponding telescopic region 312; the hollow hole 313 is located between two adjacent telescopic areas 312 along the first direction or the second direction.
In some embodiments, the first connection lines 33 are disposed obliquely with respect to the first direction, the second connection lines 34 are disposed obliquely with respect to the second direction, and the first connection lines 33 are disposed non-parallel to the second connection lines 34.
The first connecting wires 33 and the second connecting wires 34 are obliquely arranged, the hollowed holes 313 are formed between the two adjacent first connecting wires 33 or the two adjacent second connecting wires 34, namely, the base plate 31 at the position where the first connecting wires 33 and the second connecting wires 34 are located can form an oblique hinge, so that the base plate 31 is equivalent to a net plate which is connected through a plurality of hinges, the stretching and bending effects can be better achieved, the electronic paper display screen 100 can be stretched in any direction, seamless attachment can be achieved on the surface of a non-planar object, and the electronic paper display screen 100 is better in connection and installation effect on the non-planar object and attractive in appearance.
Optionally, the first connection line 33 may be connected to opposite angles of two adjacent thin film transistors 32 in the first direction X, so that an inclination angle of the first connection line 33 may be increased, when the electronic paper display screen 100 is stretched, the first connection line 33 may perform length compensation through elastic deformation thereof, and in the stretching process, the first connection line 33 may also perform micro rotation, that is, an included angle between the first connection line 33 and the first direction may be reduced, and the first connection line 33 may also perform length compensation through a change of its position, thereby being beneficial to expanding a stretchable range of the electronic paper display screen 100 and making it better stretched in the extending direction of the first connection line 33.
It can be understood that the second connection line 34 may be connected to opposite angles of two adjacent tfts 32 in the second direction Y, so that an inclination angle of the second connection line 34 may be increased, when the electronic paper display screen 100 is stretched, the second connection line 34 may perform length compensation through elastic deformation thereof, and meanwhile, in the stretching process, the second connection line 34 may also perform tiny rotation, that is, an included angle between the second connection line 34 and the second direction may be reduced, and the second connection line 34 may also perform length compensation through a change of its position, thereby being beneficial to expanding a stretchable range of the electronic paper display screen 100 and making it better stretched in an extending direction of the second connection line 34.
Since two diagonal lines of two adjacent thin film transistors 32 are arranged in the first direction X, two diagonal lines of the first connecting line 33 are correspondingly arranged, two diagonal lines of two adjacent thin film transistors 32 are correspondingly arranged in the second direction Y, and two diagonal lines of the second connecting line 34 are correspondingly arranged, however, it should be noted that in order to expand the stretchable direction of the electronic paper display screen 100, the electronic paper display screen 100 can be stretched in any direction, the oblique direction of the first connecting line 33 is different from the oblique direction of the second connecting line 34, that is, the first connecting line 33 is not parallel to the second connecting line 34, so that the stretchable direction of the hinge at the position of the first connecting line 33 is different from the stretchable direction of the hinge at the position of the second connecting line 34, which is beneficial to realizing the stretching deformation effect of the electronic paper display screen 100 in any direction.
In one embodiment, any two first connection lines 33 are parallel to each other; any two second connecting lines 34 are parallel to each other. In this way, the extending directions of the first connecting lines 33 are kept consistent, and the extending directions of the second connecting lines 34 are kept consistent, so that the electronic paper display screen 100 is stretched in the extending directions of the first connecting lines 33 and is prevented from stretching in other directions when stretched in the extending directions of the second connecting lines 34, the electronic paper display screen 100 is easier to stretch, the attaching effect is better when the surface of a non-planar object is attached, gaps are avoided, the integrated attachment of the electronic paper display screen 100 on the surface of the non-planar object is realized, and the electronic paper display screen 100 is better installed on the non-planar object.
It should be noted that any two first connection lines 33 are parallel to each other and the first connection lines 33 are connected to opposite angles of two adjacent thin film transistors 32 arranged in the first direction X, any two second connection lines 34 are parallel to each other and the second connection lines 34 are connected to opposite angles of two adjacent thin film transistors 32 arranged in the second direction Y, so that the extending directions of the first connection lines 33 and the extending directions of the second connection lines 34 are perpendicular to each other, which is beneficial for the electronic paper display 100 to be deformed in any direction. Meanwhile, when two adjacent thin film transistors 32 are connected, the first connecting wire 33 and the second connecting wire 34 are directly connected to the opposite angles of the two adjacent thin film transistors 32, so that the difficulty in setting the first connecting wire 33 and the second connecting wire 34 is greatly reduced, and the manufacturing efficiency of the electronic paper display screen 100 is improved.
Referring to fig. 1 to 3, alternatively, island 311 is mainly used to carry devices such as thin film transistor 32, and is not substantially deformed by stretching. The stretching region 312 stretches and deforms when the electronic paper display 100 performs shaping of a spatially complex curved surface, so that the electronic paper display 100 is shaped into a predetermined spatially curved surface shape.
Alternatively, the thin film transistor 32 includes a hard substrate 77, a gate electrode 71 on the hard substrate 77, a lower insulating layer 751 on the hard substrate 77 and covering the gate electrode 71, an active layer 72 on the lower insulating layer 751, an upper insulating layer 752 covering the lower insulating layer 751, and a source electrode 73 and a drain electrode 74 respectively on opposite ends of the active layer 72. The hard substrate 77 is made of hard material, which may be glass, silicon or hard PI (Polyimide). Therefore, the thin film transistor 32 can be stably arranged on the island region 311, and the normal working performance of the thin film transistor 32 is not affected when the island region 311 is stretched and deformed, so that the electronic paper display screen 100 can be ensured to normally display when being stretched and deformed, and the application potential of the electronic paper display screen 100 can be expanded.
Referring to fig. 3 and 4, a display electrode layer 761 and an auxiliary electrode layer 762 are disposed on two sides of the lower insulating layer 751, and a storage capacitor 9 is formed between the display electrode layer 761 and the auxiliary electrode layer 762, and an equivalent circuit thereof is shown in fig. 6. The auxiliary electrode layer 762 and the gate electrode 71 are not connected to each other, that is, the auxiliary electrode layer 762 is separately provided, so that the auxiliary electrode layer 762 and the gate electrode 71 respectively perform different functions without interfering with each other.
Referring to fig. 1 to 3, in some embodiments, the array layer 30 further includes a diffuse reflection layer, and the diffuse reflection layer is located at a surface of the electronic ink layer 20 facing the substrate 31, and the diffuse reflection layer is provided with avoiding holes corresponding to the positions of the thin film transistors 32. Optionally, the diffuse reflection layer covers the positions of the thin film transistors 32 on the substrate 31 entirely, and the color of the diffuse reflection layer is the same as the color of the face of the human body, so that the color seen from the thin film layer 10 when the electronic paper display screen 100 is not displayed is the color of the diffuse reflection layer, that is, the color of the electronic paper display screen 100 presents a skin color, and the beauty and the customer experience are improved. Alternatively, the diffuse reflective layer is white, black or skin yellow in color.
Referring to fig. 1 to 3, optionally, a diffuse reflection layer is coated on the upper insulating layer 752, which may be sprayed, so that the method is simple and fast, and can be more uniform.
Optionally, the total reflectivity of the diffuse reflection layer, the film layer 10, the common electrode layer 11 and the electronic ink layer 20 ranges from 10% to 54%, so that the electronic paper display screen 100 has a skin-like luster when not displayed.
In some embodiments, the electronic ink layer 20 comprises a plurality of microcapsules, any of which is black, brown, or yellow in color.
It will be appreciated that the individual microcapsules in the electronic ink layer 20 may be the same color, such as black, brown or yellow, to simulate a human face corresponding to skin tone and to make the electronic ink layer 20 a single color adjustment.
Optionally, the color of each microcapsule in the electronic ink layer 20 includes at least two of black, brown and yellow to simulate a human face corresponding to skin tone, and make the electronic ink layer 20 multicolor-adjusted.
In some embodiments, the head-mounted electronic device further includes a liner and a connector removably connecting the liner and the electronic paper display 100, the liner being positioned between the human face and the electronic paper display 100.
Optionally, the connecting piece can be the magic subsides, and the material of inside lining can be cloth material or class skin material etc. realizes detachably changing the inside lining, conveniently washs the inside lining of laminating face.
Referring to fig. 5 to 6, the present invention further provides a method for preparing a head-mounted electronic device, which is used for preparing the head-mounted electronic device, and the method for preparing the head-mounted electronic device includes the following steps:
s1: preparing an electronic paper display screen 100 to be formed, a control assembly, wearing parts, a forming die 200, an air extracting device and a heating device, wherein the forming die 200 is provided with a forming cavity 201 with an opening, and the cavity bottom of the forming cavity 201 is provided with an air extracting hole 202 communicated with an external space;
s2: placing the electronic paper display screen 100 to be formed in the opening;
s3: the heating device heats the forming die 200 to raise the temperature of the electronic paper display screen 100 to be formed to a predetermined temperature; the thermoplastically deformable electronic paper display screen 100 is heated to the softening temperature of the film layer 10 and the substrate layer 40, the softening temperature range is 75-150 ℃, and the front and back sides of the electronic paper display screen 100 can be controlled to have a certain temperature difference (delta T is less than or equal to 20 ℃) in a partitioning way, namely, the temperature of the film layer 10 is lower than the temperature of the substrate layer 40, so that the overlarge difference of the softening degrees of the film layer 10 and the substrate layer 40 is avoided.
Optionally, the thickness of the film layer 10 ranges from 0.1 mm to 1.5mm, and the thickness of the substrate layer 40 ranges from 0.3 mm to 3mm.
S4: the air extraction end of the air extraction device is communicated with the air extraction hole 202 and is used for extracting air in the forming cavity 201, so that the electronic paper display screen 100 to be processed is recessed and bent towards the inside of the forming cavity 201 under the action of vacuum negative pressure and is formed into a preset shape;
s5: the wearing piece and the control component are connected with the electronic paper display screen 100. The control assembly comprises a pressure sensor and a control unit, wherein the pressure sensors are arranged on the inner side of the shaped electronic paper display screen 100, namely, the pressure sensors are positioned between the face of the human body and the electronic paper display screen 100, so that the pressure sensors can detect the pressure of different positions of the face of the human body. The control unit is disposed at one end of the electronic paper display 100 and connected to each pressure sensor.
The foregoing is merely an alternative embodiment of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A head-mounted electronic device worn on a human face, the head-mounted electronic device comprising: the electronic paper display screen, the wearing piece and the control component connected with the electronic paper display screen; the shape of the electronic paper display screen is adapted to the shape of the human face, the wearing piece is used for detachably fixing the electronic paper display screen on the human face, the control assembly comprises a pressure sensor and a control unit, the pressure sensor is located on the inner side of the electronic paper display screen, the control unit is connected with the electronic paper display screen, the pressure sensor is used for detecting the pressure of the human face, and the control unit controls the display content of the electronic paper display screen according to a pressure signal generated by the pressure sensor.
2. The head-mounted electronic device of claim 1, wherein: the pressure sensors are arranged at intervals, and each pressure sensor respectively generates different pressure signals.
3. The head-mounted electronic device of claim 1, wherein: the electronic paper display screen comprises a film layer, an electronic ink layer, an array layer, a substrate layer, a common electrode layer and a driving structure, wherein the electronic ink layer is arranged to display the expression of the face of a human body, the array layer is used for controlling the electronic ink layer, the substrate layer is sequentially laminated with the electronic ink layer, the film layer is further arranged to drive the array layer, and the surface of the film layer facing the substrate layer is further provided with the common electrode layer.
4. The head-mounted electronic device of claim 3, wherein: the array layer comprises a substrate, thin film transistors, a first connecting wire and a second connecting wire, wherein the thin film transistors, the first connecting wire and the second connecting wire are all connected with the substrate, a plurality of thin film transistors are arrayed on the substrate, and the thin film transistors are arranged at intervals; any two adjacent thin film transistors are connected through a first connecting wire along a first direction; and along a second direction, any two adjacent thin film transistors are connected through a second connecting line, and the first direction is orthogonal to the second direction.
5. The head-mounted electronic device of claim 4, wherein: the substrate is provided with a hollowed-out hole; the hollow holes are arranged between any two adjacent first connecting lines along the first direction, or the hollow holes are arranged between any two adjacent second connecting lines along the second direction.
6. The head-mounted electronic device of claim 5, wherein: the substrate comprises a plurality of island regions and a plurality of telescopic regions, and each thin film transistor is respectively arranged in each island region; any two adjacent island regions are connected along a first direction through one telescopic region, and the corresponding first connecting lines are arranged in the corresponding telescopic regions; any two adjacent island regions are also connected along a second direction through one telescopic region, and the corresponding second connecting lines are arranged in the corresponding telescopic regions; the hollowed-out holes are located between two adjacent telescopic areas along the first direction or the second direction.
7. The head-mounted electronic device of any of claims 4-6, wherein: the first connecting line is obliquely arranged relative to the first direction, the second connecting line is obliquely arranged relative to the second direction, and the first connecting line and the second connecting line are not parallel.
8. The head-mounted electronic device of any of claims 4-6, wherein: the array layer further comprises a diffuse reflection layer, the diffuse reflection layer is positioned on the surface of the electronic ink layer, which faces the substrate, and avoidance holes are formed in positions, corresponding to the thin film transistors, of the diffuse reflection layer; the color of the diffuse reflection layer is equal to that of the diffuse reflection layer the colors of the faces of the human bodies are the same.
9. The head-mounted electronic device of any of claims 1-6, wherein: the electronic ink layer comprises a plurality of microcapsules, and the color of any microcapsule is black, brown or yellow.
10. A method for manufacturing a head-mounted electronic device, for manufacturing a head-mounted electronic device according to any one of claims 3-9, characterized in that: the preparation method of the head-mounted electronic equipment comprises the following steps:
preparing an electronic paper display screen to be formed, a control assembly, wearing parts, a forming die, an air extracting device and a heating device, wherein the forming die is provided with a forming cavity with an opening, and the cavity bottom of the forming cavity is provided with an air extracting hole communicated with an external space;
placing the electronic paper display screen to be formed in the opening;
the heating device heats the forming die to heat the electronic paper display screen to be formed to a preset temperature;
the air extraction end of the air extraction device is communicated with the air extraction hole and extracts air in the forming cavity so that the electronic paper display screen to be processed is recessed and bent in the forming cavity under the action of vacuum negative pressure and is formed into a preset shape;
and connecting the wearing piece and the control component with the electronic paper display screen.
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