CN113035914A

CN113035914A - Contact lens with micro-display function, manufacturing process and spectacle case

Info

Publication number: CN113035914A
Application number: CN202110223939.4A
Authority: CN
Inventors: 李雪原; 许嵩; 吕磊; 李维维; 刘胜芳; 赵铮涛
Original assignee: Semiconductor Integrated Display Technology Co Ltd
Current assignee: Semiconductor Integrated Display Technology Co Ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-06-25
Anticipated expiration: 2041-02-26
Also published as: CN113035914B

Abstract

A contact lens with micro-display function, a manufacturing process and a lens box belong to the technical field of contact lenses, the contact lens comprises a flexible display area and a flexible lens layer which is pressed and coated outside the flexible display area, the flexible display area comprises an OLED display layer and an electric control component, the electric control component comprises a driving chip, an infrared optical sensor, a processor and a micro paper sheet battery, the micro paper sheet battery is electrically connected with the processor, the processor is wirelessly connected with mobile equipment to project an image on the mobile equipment onto the OLED display layer, the infrared optical sensor captures a gesture operation signal and transmits the signal to the processor, and the processor is electrically connected with the OLED display layer through the driving chip to control image change. The maintenance of the contact lens is more convenient, and the durability of the micro-display function of the contact lens is ensured.

Description

Contact lens with micro-display function, manufacturing process and spectacle case

Technical Field

The invention relates to the technical field of contact lenses, in particular to a contact lens with a micro-display function, a manufacturing process and a spectacle case.

Background

With the progress of technology and the development of technology, people have higher requirements on the experience of pursuing Display effect, and the wearing of a matched Display device makes a method path in a physical sense feasible, and the arrival of the 5G era can solve the problem of data volume transmission, so that Micro OLED (Organic Light Emitting Display) is called as a black horse of the next generation Display technology in recent years, and is widely applied to military markets such as helmet-on-aircraft, gun sight, night vision instruments and the like, and with the application of new technologies such as AR/VR, autopilot and the like, Micro OLED Micro displays are about to grow explosively. Most of the existing terminal products in the market are head-mounted or wearable devices. In view of the commercial products of today, there are a number of businesses that have introduced similar products, however, the burdensome set of equipment makes consumers rather uncomfortable and, therefore, a more portable product form is desired.

Disclosure of Invention

In order to solve the technical problems, the invention provides a contact lens with a micro-display function and a lens box, wherein an OLED display layer is flexible, and an electric control part is arranged in the OLED display layer, so that the contact lens integrates the functions of the lens and the micro-display, the use is more convenient, the lens box can clean and charge the contact lens in time, and the durability of the micro-display function of the contact lens is ensured.

In order to achieve the purpose, the technical scheme adopted by the invention for solving the technical problems is as follows: the contact lens with the micro-display function comprises a flexible display area and a flexible lens layer which is pressed and coated outside the flexible display area, wherein the flexible display area comprises an OLED display layer and an electric control component which is arranged on the periphery of the interior of the flexible display area, the electric control component comprises a driving chip, an infrared optical sensor, a processor and a micro paper sheet battery, the micro paper sheet battery is electrically connected with the processor, the processor is wirelessly connected with mobile equipment to project images on the mobile equipment onto the OLED display layer, the infrared optical sensor captures gesture operation signals and transmits the gesture operation signals to the processor, and the processor is electrically connected with the OLED display layer through the driving chip to control image change.

Further, OLED display layer includes from bottom to top set gradually's backplate layer, luminous display layer and encapsulation isolation layer, the backplate layer includes from bottom to top set gradually flexible stratum basale I, dielectric layer I, flexible stratum basale II and luminous circuit layer, the middle part of flexible stratum basale II sets up luminous circuit layer, the periphery on luminous circuit layer is fixed automatically controlled part, set up dielectric layer II on the automatically controlled part.

Further, the luminous display layer passes through the luminous circuit layer with the driver chip electricity is connected, the encapsulation isolation layer includes film packaging layer and aqueous vapor barrier layer that luminous display layer from inside to outside set gradually.

Further, the material of flexible stratum basale I and flexible stratum basale II all sets up to transparent polyimide, and thickness all sets up to 10 ~ 100 nm.

Furthermore, the electric control component also comprises a peripheral wiring line arranged on the periphery of the flexible substrate layer II, and the micro paper sheet battery is connected with the processor through the peripheral wiring line.

Furthermore, the dielectric layer I and the dielectric layer II are made of silicon oxynitride, silicon nitride, silicon oxide or silicon oxynitride, the thickness of the dielectric layer I is set to be 10-100nm, the dielectric layer II is positioned on the surface of the electric control component in a pressing mode, and the thickness of the dielectric layer II is set to be 100-1500 nm.

Further, the flexible lens layer comprises a flexible lens I and a flexible lens II, the middle between the flexible lens I and the flexible lens II is provided with the flexible display area, and the flexible display area is coated and fixed by the flexible lens I and the flexible lens II in a pressing mode.

Furthermore, the thickness of the flexible lens I is the same as that of the flexible lens II, the thickness of the flexible lens I is set to be 20-30 mu m, the thickness of the flexible display area is set to be 40-50 mu m, and the diameter of the flexible display area is set to be 14-15 mm.

The utility model provides a contact lens is with spectacle case, comprises a box bod, be provided with in the box body and be used for holding two of 2 contact lens respectively and hold the storehouse, every holds and is provided with the joint lid on the storehouse, every holds all to be provided with in the storehouse right contact lens washs or the miniature ultrasonic wave generating device who charges.

The manufacturing process of the contact lens comprises the following steps:

1) preparing a back plate layer: preparing a flexible substrate layer I on a bare wafer in a spin coating or blade coating mode, preparing a dielectric layer I on the flexible substrate layer I in a thermal oxidation method, physical vapor deposition or chemical vapor deposition mode, preparing a flexible substrate layer II on the dielectric layer I in a spin coating or blade coating mode, and preparing a light-emitting circuit layer in the middle of the flexible substrate layer II;

2) preparing and positioning an electric control component: preparing a driving chip, peripheral wiring, a battery reserved interface, an infrared optical sensor and a processor in the peripheral direction of the middle part of the flexible substrate layer II, electrically connecting the processor with the battery reserved interface through the peripheral wiring, covering and preparing a dielectric layer II on the electric control component, and removing part of the dielectric layer II in the middle part above the light-emitting circuit layer;

3) sequentially preparing a light-emitting display layer and a packaging isolation layer on the electric control component and the light-emitting circuit layer, attaching and positioning a micro paper battery on a reserved interface of the battery, and stripping a bare wafer on the flexible substrate layer I by laser;

4) and placing the prepared flexible display area between the flexible lens I and the flexible lens II, and sealing and pressing the flexible lens I, the flexible lens II and the flexible display area into a whole.

The invention has the beneficial effects that:

1. the invention forms a flexible display area by arranging an electric control component comprising a driving chip, an infrared optical sensor, a processor and a micro paper sheet battery at the periphery of an OLED display layer, the flexible display area is coated with a flexible lens layer to form a contact lens, the micro paper sheet battery provides electric energy for the processor, the processor is in wireless connection with mobile equipment and can project an image on the mobile equipment onto the OLED display layer so as to project the image onto retinas of human eyes, the infrared optical sensor in the processor captures gesture operation of a human body, and the driving chip is controlled by the processor so as to control the display of the OLED display layer, thereby controlling the change of the image projected onto the OLED display layer, integrating the functions of glasses and micro display of the contact lens, and leading the wearing and the use to be more convenient.

2. According to the invention, the structure of the OLED display layer is designed into the combination of the flexible substrate layer I, the dielectric layer I and the flexible substrate layer II, wherein the flexible substrate layer I and the flexible substrate layer II are transparent polyimide layers which are soft and transparent and are suitable for being placed in the contact lens, and water vapor can easily pass through the transparent polyimide layers, and the dielectric layer I made of inorganic materials is arranged between the flexible substrate layer I and the flexible substrate layer II, so that the water vapor can be effectively blocked from passing through the dielectric layer I, the damage to internal electric control components is avoided, and the service life of the whole contact lens is prolonged.

3. According to the invention, the micro ultrasonic wave generating device is arranged in the spectacle case, so that the contact lenses can be cleaned after cleaning liquid is put in the spectacle case, and meanwhile, the micro paper sheet battery can be charged, so that the contact lenses are more convenient to maintain, and the durability of the micro display function of the contact lenses is ensured.

In conclusion, the contact lens integrates the functions of the glasses and the micro-display, the service life is long, the use is more convenient, the lens box can clean and charge the contact lens in time, the contact lens is maintained more conveniently, and the durability of the micro-display function of the contact lens is ensured.

Drawings

The contents of the expressions in the various figures of the present specification and the labels in the figures are briefly described as follows:

FIG. 1 is a schematic view of a contact lens of the present invention;

FIG. 2 is a schematic structural diagram of the flexible display region in FIG. 1;

FIG. 3 is a sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic view of the contact lens case of the present invention;

the labels in the above figures are: 1. the flexible display area comprises a flexible display area 11, a driving chip 12, an infrared optical sensor 13, a processor 14, a micro paper sheet battery 15, a back plate layer 151, a flexible substrate layer I, 152, a dielectric layer I, 153, a flexible substrate layer II, 154, a light-emitting circuit layer 16, a dielectric layer II, 17, peripheral wiring 18, a light-emitting display layer 19, a packaging isolation layer 191, a thin film packaging layer 192, a water vapor blocking layer 2, a flexible lens layer 21, a flexible lens I, 22, a flexible lens II, 3, a box body 4, a containing cabin 5 and a clamping cover body.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The specific implementation scheme of the invention is as follows: as shown in fig. 1 to 3, a contact lens with a micro-display function includes a flexible display area 1 and a flexible lens layer 2 press-coated thereon, the flexible display area 1 includes an OLED display layer and an electronic control component disposed on the periphery of the inside of the OLED display layer, the electronic control component includes a driving chip 11, an infrared optical sensor 12, a processor 13 and a micro paper sheet battery 14, the micro paper sheet battery 14 is electrically connected to the processor 13 to supply power to the processor 13, the processor 13 is wirelessly connected to a mobile device to project an image on the mobile device onto the OLED display layer so as to project onto the retina of the eyes of a person, the infrared optical sensor 12 captures a gesture operation signal and transmits the gesture operation signal to the processor 13, the processor 13 is electrically connected to the OLED display layer through the driving chip 11 to control image change, different gesture operations can implement operations such as moving, enlarging, reducing and the like of the image, so that the contact lens integrates functions of the lens and the micro, the use is more flexible and convenient.

Specifically, the OLED display layer comprises a back plate layer 15, a light emitting display layer 18 and a packaging isolation layer 19 which are sequentially arranged from bottom to top, wherein the back plate layer 15 comprises a flexible substrate layer I151, a dielectric layer I152, a flexible substrate layer II 153 and a light emitting circuit layer 154 which are sequentially arranged from bottom to top, the flexible substrate layer I151 and the flexible substrate layer II 153 are made of transparent polyimide and are respectively 5-10 μm thick, the flexible substrate layer I151 is preferably 6 μm thick, the flexible substrate layer II 153 is preferably 8 μm thick, the dielectric layer I152 is made of inorganic materials such as silicon oxynitride, silicon nitride, silicon oxide or silicon oxynitride, the dielectric layer I152 is 10-100nm thick, and the flexible substrate layer I151 and the flexible substrate layer II 153 are transparent polyimide layers which are soft and transparent and are suitable for being placed in contact lenses, and because transparent polyimide is organic material, and steam passes through easily, consequently sets up the dielectric layer I152 that inorganic material made between flexible substrate layer I151 and flexible substrate layer II 153, can effectively obstruct the passing through of steam, has avoided the destruction to inside electric control unit, has prolonged the holistic life of contact lens.

The middle part of the flexible substrate layer II 153 is provided with a light-emitting circuit layer 154, the light-emitting display layer 18 is electrically connected with the driving chip 11 through the light-emitting circuit layer 154, and the light-emitting display layer 18 can be controlled to emit light through the driving chip 11; the electric control component further comprises a peripheral wiring 17 arranged on the periphery of the flexible substrate layer II 153, the micro paper sheet battery 14 is connected with the processor 13 through the peripheral wiring 17, power supply of the micro paper sheet battery 14 to the processor 13 is achieved, the peripheral wiring 17 is arranged on the periphery of the light emitting circuit layer 154 and is communicated with each other, the driving chip 11, the infrared optical sensor 12, the processor 13 and the micro paper sheet battery 14 are arranged on the periphery of the peripheral wiring 17, a dielectric layer II 16 is arranged on the electric control component, the dielectric layer II 16 is made of inorganic materials such as silicon oxynitride, silicon nitride, silicon oxide or silicon oxynitride, the dielectric layer II 16 is located on the surface of the electric control component in a pressing mode, the thickness of the dielectric layer II 16 is set to be 100-1500nm, and the functions of protecting and locating the electric control component are achieved.

The light-emitting display layer 18 is an existing OLED display structure, and includes an organic light-emitting layer, a cathode metal layer, and a light extraction layer, which are sequentially vapor-deposited on the back plate layer 15 by a mask plate, and are not shown in the figure one by one.

Wherein encapsulation isolation layer 19 includes film encapsulation layer 191 and aqueous vapor barrier layer 192 that luminous display layer 18 set gradually from inside to outside, film encapsulation layer 191 wherein has realized the physical protection to whole flexible display district 1, prevent that impurity in the air from causing the electrical property to descend to the corruption of inside automatically controlled part, realize the standardization of whole size simultaneously, aqueous vapor barrier layer 192 wherein wraps the outside at flexible display district 1, play the effect of keeping apart with the external world again, prevent that aqueous vapor from getting into inside flexible display district 1, film encapsulation layer 191 and aqueous vapor barrier layer 192 have played duplicate protection to whole flexible display district 1.

Specifically, flexible lens layer 2 wherein includes flexible lens I21 and flexible lens II 22, middle part between flexible lens I21 and the flexible lens II 22 sets up flexible display area 1, flexible lens I21 and flexible lens II 22 are fixed with flexible display area 1 cladding through the mode of pressfitting, the thickness of flexible lens I21 is the same with flexible lens II 22, all set up to 20 ~ 30 mu m, the thickness of whole flexible display area 1 sets up to 40 ~ 50 mu m, the diameter of flexible display area 1 sets up to 14 ~ 15mm, make the thickness of whole contact lens set up to 80 ~ 110 mu m, optimally set up to 95 mu m, its base curve sets up to 8.4 ~ 8.6, satisfy contact lens's dimensional requirement.

As shown in FIG. 4, the contact lens case comprises a case body 3, two accommodating chambers for accommodating 2 contact lenses are arranged in the case body 3, each accommodating chamber is provided with a clamping cover body, each accommodating chamber 4 is internally provided with a micro ultrasonic generator for cleaning or charging the contact lenses, each accommodating chamber 4 is also provided with a control button for controlling the micro ultrasonic generator to work, the thickness of a micro paper sheet battery 14 in the contact lenses is set to be 20-30 μm, the energy storage is 40-60 mA/day, the contact lens case has a chargeable function, after cleaning solution is put in the case body 3, the micro ultrasonic generator can emit ultrasonic waves by controlling the control button, so that the contact lenses can be vibrated and cleaned, meanwhile, the electrolyte in the ultrasonic micro paper sheet battery 14 flows, and the uniformity of ion distribution is improved, thereby realizing the rapid charging of the micro paper sheet battery 14 and prolonging the cycle life of the micro paper sheet battery 14, ensuring the maintenance of the contact lens to be more convenient and ensuring the durability of the micro display function of the contact lens.

In addition, the contact lenses can be combined with a matched Bluetooth headset, sound data can be transmitted to the Bluetooth headset by the processor 13 in the contact lenses in a Bluetooth transmission mode, audio-visual integration is achieved, and image and text data can be transmitted to or received from the mobile device by the processor 13 in the contact lenses in a Bluetooth transmission mode to achieve information interaction.

The manufacturing process of the contact lens comprises the following steps:

1) preparing a back plate layer 15: the method comprises the steps of preparing a flexible substrate layer I151 on a bare wafer by spin-coating or blade-coating transparent polyimide with the thickness of 5-10 microns, preparing a dielectric layer I152 on the flexible substrate layer I151 in a thermal oxidation method, physical vapor deposition or chemical vapor deposition mode, preparing a flexible substrate layer II 153 on the dielectric layer I152 by spin-coating or blade-coating transparent polyimide with the thickness of 5-10 microns, and preparing a light-emitting layer circuit layer 154 in the middle of the flexible substrate layer II 153 through a multiple-time yellow light process. Wherein the yellow light cycle times are more than or equal to 25 times and less than or equal to 35 times, and each cycle comprises the following processes and sequences: cleaning, baking, film forming (physical vapor deposition or chemical vapor deposition), coating (spin coating or blade coating), exposure, development, etching (dry etching or laser etching), and photoresist removing (wet photoresist removing or dry ashing);

2) preparing and positioning an electric control component: preparing a driving chip 11, a peripheral wiring 17, a battery reserved interface, an infrared optical sensor 12 and a processor 13 in the peripheral direction of the middle part of a flexible substrate layer II 153, electrically connecting the processor 13 with the battery reserved interface through the peripheral wiring 17, covering and preparing a dielectric layer II 16 on an electric control part in a thermal oxidation method, physical vapor deposition or chemical vapor deposition mode, removing part of the dielectric layer II 16 in the middle part above a light-emitting circuit layer 154 by using photoetching and dry etching processes, and enabling the light-emitting circuit layer 154 to be in electric contact with a light-emitting display layer 18 to be prepared;

3) sequentially preparing a light-emitting display layer 18 and a packaging isolation layer 19 on the electric control component and the light-emitting circuit layer 154, attaching and positioning the micro paper sheet battery 14 on the reserved battery interface, and stripping a bare wafer on the flexible substrate layer I151 by laser to finish the preparation of the flexible display area 1;

4) the prepared flexible display area 1 is placed between the flexible lens I21 and the flexible lens II 22, and the flexible lens I21, the flexible lens II 22 and the flexible display area 1 are sealed and pressed into a whole through a high-precision vacuum pressing technology.

While the foregoing is directed to the principles of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.

Claims

1. The contact lens with the micro-display function is characterized by comprising a flexible display area (1) and a flexible lens layer (2) pressed and coated outside the flexible display area, wherein the flexible display area (1) comprises an OLED display layer and an electric control component arranged on the periphery of the interior of the OLED display layer, the electric control component comprises a driving chip (11), an infrared optical sensor (12), a processor (13) and a micro paper sheet battery (14), the micro paper sheet battery (14) is electrically connected with the processor (13), the processor (13) is wirelessly connected with a mobile device to project an image on the mobile device onto the OLED display layer, the infrared optical sensor (12) captures a gesture operation signal and transmits the gesture operation signal to the processor (13), and the processor (13) is electrically connected with the OLED display layer through the driving chip (11) to control image change.

2. The contact lens with a microdisplay function of claim 1 that is: the OLED display layer comprises a back plate layer (15), a light-emitting display layer (18) and an encapsulation isolation layer (19), wherein the back plate layer (15) is sequentially arranged from bottom to top, the back plate layer comprises a flexible substrate layer I (151), a dielectric layer I (152), a flexible substrate layer II (153) and a light-emitting circuit layer (154), the middle of the flexible substrate layer II (153) is arranged on the light-emitting circuit layer (154), the periphery of the light-emitting circuit layer (154) is fixed, and an electric control component is arranged on the electric control component and is provided with a dielectric layer II (16).

3. The contact lens with a microdisplay function of claim 2, wherein: luminous display layer (18) pass through luminous circuit layer (154) with driver chip (11) electricity is connected, encapsulation isolation layer (19) include luminous display layer (18) from inside to outside film packaging layer (191) and aqueous vapor barrier layer (192) that set gradually.

4. The contact lens with a microdisplay function of claim 2, wherein: the flexible substrate layer I (151) and the flexible substrate layer II (153) are made of transparent polyimide, and the thickness of the flexible substrate layer I and the thickness of the flexible substrate layer II are 5-10 mu m.

5. The contact lens with a microdisplay function of claim 2, wherein: the electronic control component further comprises a peripheral wiring (17) arranged on the periphery of the flexible substrate layer II (153), and the micro paper sheet battery (14) is connected with the processor (13) through the peripheral wiring (17).

6. The contact lens with a microdisplay function of claim 5, wherein: the dielectric layer I (152) and the dielectric layer II (16) are made of silicon oxynitride, silicon nitride, silicon oxide or silicon oxynitride, the thickness of the dielectric layer I (152) is 10-100nm, the dielectric layer II (16) is positioned on the surface of the electric control component in a pressing mode, and the thickness of the dielectric layer II (16) is 100-1500 nm.

7. A contact lens with a microdisplay function according to any one of claims 1-6 wherein: the flexible lens layer (2) comprises a flexible lens I (21) and a flexible lens II (22), the middle between the flexible lens I (21) and the flexible lens II (22) is provided with the flexible display area (1), and the flexible lens I (21) and the flexible lens II (22) are fixedly coated on the flexible display area (1) in a pressing mode.

8. The contact lens with a microdisplay function of claim 5, wherein: the thickness of flexible lens I (21) is the same with flexible lens II (22), all sets up to 20 ~ 30 mu m, the thickness of flexible display area (1) sets up to 40 ~ 50 mu m, and the diameter sets up to 14 ~ 15 mm.

9. A contact lens case according to any one of claims 1 to 8, wherein: the contact lens cleaning box comprises a box body (3), two containing bins (4) used for containing 2 contact lenses respectively are arranged in the box body (3), a clamping cover body (5) is arranged on each containing bin (4), and a micro ultrasonic generating device used for cleaning or charging the contact lenses is arranged in each containing bin (4).

10. A process for the production of a contact lens according to any one of claims 1 to 8, wherein: the method comprises the following steps:

1) preparing a backsheet layer (15): preparing a flexible substrate layer I (151) on a bare wafer in a spin coating or blade coating mode, preparing a dielectric layer I (152) on the flexible substrate layer I (151) in a thermal oxidation method, physical vapor deposition or chemical vapor deposition mode, preparing a flexible substrate layer II (153) on the dielectric layer I (152) in a spin coating or blade coating mode, and preparing a light-emitting circuit layer (154) in the middle of the flexible substrate layer II (153);

2) preparing and positioning an electric control component: preparing a driving chip (11), a peripheral wiring (17), a battery reserved interface, an infrared optical sensor (12) and a processor (13) in the peripheral direction of the middle of the flexible substrate layer II (153), electrically connecting the processor (13) with the battery reserved interface through the peripheral wiring (17), covering and preparing a dielectric layer II (16) on the electric control component, and removing part of the dielectric layer II (16) in the middle above the light-emitting circuit layer (154);

3) sequentially preparing a light-emitting display layer (18) and a packaging isolation layer (19) on an electric control component and a light-emitting circuit layer (154), attaching and positioning a micro paper battery (14) on a reserved battery interface, and stripping a bare wafer on a flexible substrate layer I (151) by laser;

4) and placing the prepared flexible display area (1) between the flexible lens I (21) and the flexible lens II (22), and sealing and pressing the flexible lens I (21), the flexible lens II (22) and the flexible display area (1) into a whole.