CN210894914U

CN210894914U - Array type aperture structure and camera electronic equipment

Info

Publication number: CN210894914U
Application number: CN201922167633.2U
Authority: CN
Inventors: 范继良
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-06-30
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses an array type aperture structure, including a plurality of light modulation units, the light modulation unit is the array arrangement setting, the light modulation unit is including the first polaroid that stacks gradually, first conductive film layer, the liquid crystal layer, second conductive film layer, the glass layer, the second polaroid and be used for the power supply circuit with external power supply electric connection, first conductive film layer is printing opacity and electrically conductive structure, first conductive film layer is one through switch circuit electric connection and is used for the first wire with external power supply electric connection, second conductive film layer is printing opacity and electrically conductive structure, second conductive film layer electric connection is one and is used for the second wire with external power supply electric connection, the liquid crystal layer is in the electric field that first, two conductive film layers formed, thereby make the utility model discloses the light transmissivity appears, disappear when cutting off the power supply, borrow this to carry out the regulation of the volume of opening light; additionally, the utility model also discloses an electronic equipment makes a video recording that has this array light ring structure.

Description

Array type aperture structure and camera electronic equipment

Technical Field

The present invention relates to an optical device, and more particularly to an aperture structure for adjusting the amount of light passing through and a camera electronic apparatus having the aperture structure.

Background

The prior photographic equipment for capturing images mostly adopts a mechanical diaphragm structure for adjusting the light transmission quantity, and the mechanical diaphragm structures are mainly divided into an iris diaphragm and a cat eye diaphragm; as shown in fig. 1a to 1d, a state structure diagram of the same iris diaphragm 1 ' with different light transmission areas (i.e. different light transmission amounts and different light transmission holes) is shown, the iris diaphragm 1 ' is composed of a plurality of arc diaphragm blades overlapped with each other, the larger the number of the diaphragm blades is, the closer the light transmission hole of the iris diaphragm 1 ' is to the circular shape, the size (i.e. light transmission area) of the light transmission hole formed at the center is changed by the engagement and disengagement of the diaphragm blades, and the multi-blade design can provide the light transmission hole closer to the circular shape, which is currently used in most photographic equipment; compared with the iris diaphragm type diaphragm 1', the structure of the cat-eye diaphragm (not shown) is much simpler, the cat-eye diaphragm is formed by dividing a metal sheet with an oval or diamond-shaped hole in the center into two parts, two metal sheets with semi-oval or semi-diamond-shaped holes are arranged in opposite rows and move relatively to form the cat-eye diaphragm, and the cat-eye diaphragm is mainly applied to some simple photographic and video equipment. The existing mechanical diaphragm structure is relatively complex in design, and the applicant researches and develops a non-mechanical diaphragm structure through long-term scientific research and social practice, so that the existing mechanical diaphragm structure can be completely replaced.

Therefore, an array type aperture structure for adjusting the amount of transmitted light by using a non-mechanical principle is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an array light ring structure that adopts non-mechanical formula principle to carry out light flux regulation, this array light ring structure realizes light flux regulation through reversible change light transmissivity.

Another object of the present invention is to provide an electronic apparatus for camera shooting, wherein the aperture structure of the electronic apparatus for camera shooting adopts the non-mechanical principle to adjust the amount of light passing, thereby shooting images with different depths of field according to the requirements.

In order to achieve the above object, the present invention provides an array type aperture structure, which comprises a plurality of light adjusting units, wherein the light adjusting units are arranged in an array manner, the light adjusting units comprise a first polarizer, a first conductive film layer, a liquid crystal layer, a second conductive film layer, a glass layer, a second polarizer and a power circuit for electrically connecting with an external power source, the first polarizer, the first conductive film layer, the liquid crystal layer, the second conductive film layer, the glass layer and the second polarizer are sequentially stacked, the first conductive film layer is a transparent and conductive structure, the first conductive film layer of each light adjusting unit is electrically connected with a first wire, each first wire is electrically connected with the power circuit through a switch circuit, all the switch circuits are arranged in parallel, the second conductive film layer is a transparent and conductive structure, the second conductive film layer of each dimming unit is electrically connected with a second lead electrically connected with the power circuit.

Compared with the prior art, the utility model discloses when the switching circuit was disconnected, the light modulation unit of array aperture structure was promptly under the circumstances that the light modulation unit was not electrified, the liquid crystal ion in the liquid crystal layer of this light modulation unit that is not electrified appeared unordered range to make the liquid crystal layer appear mushy, and then light-tight, because the utility model discloses only lighttight liquid crystal layer in the structural layer of light modulation unit is light-tight under the circumstances that is not electrified, therefore makes under the circumstances that is not electrified the utility model discloses a light modulation unit appears lighttight; when the light-adjusting unit of the utility model needs to be transparent, the switch circuit corresponding to the light-adjusting unit needing to be transparent is closed, so that the first lead and the second lead of the light-adjusting unit needing to be transparent are correspondingly connected with the positive pole and the negative pole of an external power supply, so that a potential difference is generated between the first conductive film layer and the second conductive film layer which are positioned at two sides of the liquid crystal layer, and the liquid crystal layer is positioned in an electric field formed by the potential difference, namely, liquid crystal ions of the liquid crystal layer positioned between the first conductive film layer and the second conductive film layer are positioned in the electric field formed by the first conductive film layer and the second conductive film layer, the liquid crystal ions in the liquid crystal layer are orderly arranged along the direction of the electric field under the electric field formed by the first conductive film layer and the second conductive film layer, thereby forming a gap for light to transmit, and leading the liquid crystal, therefore, the light adjusting unit of the utility model shows light transmission under the condition of power-on; when the switch circuit is switched off, the liquid crystal layer is switched off and electrically connected with an external power supply, no potential difference exists between the first conductive film layer and the second conductive film layer, so that an electric field applied to two sides of the liquid crystal layer disappears, liquid crystal ions in the liquid crystal layer are disorderly arranged due to the absence of the action of the electric field, the original pasty state (namely light-proof) of the liquid crystal layer is recovered, and the light-dimming unit with the power-on and light-transmission performance is adjusted to be light-proof through the light-transmission performance; therefore, the light adjusting unit of the utility model can effectively realize the reversible adjustment between the light transmission and the light impermeability by means of whether the first lead and the second lead are connected with the external power supply; the utility model discloses adjust array aperture structure's of luminous flux each unit of adjusting luminance all corresponds a switch circuit and external power supply circuit electric property intercommunication, consequently each unit of adjusting luminance all receives the independent control rather than the switch circuit who corresponds and realizes independent light transmissivity separately, when the luminous flux of adjusting array aperture structure on this basis, through controlling the utility model discloses the unit of adjusting luminance in the array aperture structure presents quantity and the position of light transmissivity, can adjust array aperture structure's luminous flux, and breakthrough change has now adjusted the light transmission area by mechanical structure and has realized the design theory that the luminous flux was adjusted, makes the utility model discloses array aperture structure's structure is novel, the dependable performance, is suitable for extensive using widely.

Preferably, the light adjusting units of the present invention are arranged in an array and arranged side by side to form a circular structure.

Preferably, the light adjusting units of the present invention are arranged in an array and arranged side by side to form a rectangular structure.

Preferably, the first conductive film layer of the present invention is an ITO film layer.

Preferably, the second conductive film layer of the present invention is an ITO film layer.

The utility model provides an electronic equipment makes a video recording, including the camera lens that is used for optics to catch the image, wherein the camera lens is including the array light ring structure as mentioned above that is used for adjusting the luminous flux, each the unit of adjusting luminance borrows its light transmissivity of its switch circuit independent control who has, borrows by different quantity and position the regulation of luminous flux is realized to the light transmissivity of the unit of adjusting luminance.

Compared with the prior art, the utility model discloses an electronic equipment of making a video recording when the image of shooting different depth of field, the unit of adjusting luminance through controlling among the array aperture structure presents the quantity and the position of light transmissivity, can adjust the light flux of array aperture structure to shoot the image of different depth of field, breakthrough change have now adjusted the light transmission area by mechanical structure and realize the design theory that the light flux was adjusted, make the utility model discloses the electronic equipment of making a video recording structure is novel, dependable performance, is suitable for extensive using widely.

Drawings

Fig. 1a is a schematic view of a conventional iris diaphragm.

Fig. 1b is a schematic view of the iris diaphragm of fig. 1a after adjusting the light transmission area.

Fig. 1c is a schematic view of the iris diaphragm of fig. 1b after adjusting the light transmission area.

FIG. 1d is a schematic view of the iris diaphragm of FIG. 1c after adjusting the light transmission area.

Fig. 2 is a schematic structural view of the camera electronic device of the present invention.

Fig. 3 is an equivalent circuit schematic block diagram of the array aperture structure of the present invention.

Fig. 4 is a schematic cross-sectional structure diagram of the dimming unit of the present invention.

Fig. 5 is a schematic structural diagram of the first embodiment of the present invention, wherein the light-adjusting units are arranged in an array.

Fig. 6 is a schematic structural diagram of a state in which a portion of the dimming cell of fig. 5 has light transmittance.

Fig. 7 is a schematic structural diagram of a second embodiment of the present invention, in which the dimming units are arranged side by side in an array.

Fig. 8 is a structural diagram illustrating a state in which a portion of the dimming cell of fig. 7 has light transmittance.

Detailed Description

Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements throughout.

As shown in fig. 2-4, the electronic device 100 of the present invention includes a lens 3 for optically capturing images, the lens 3 includes an array aperture structure 2 for adjusting the amount of light passing, the array aperture structure 2 includes a plurality of light adjusting units 1, each light adjusting unit 1 independently corresponds to a switch circuit 21 for controlling whether to electrically connect with an external power source 200, and each light adjusting unit 1 independently controls the transmittance thereof by the switch circuit 21; when the switch circuit 21 corresponding to the dimming unit 1 is closed, the dimming unit 1 exhibits light transmittance; when the switch circuit 21 corresponding to the dimming unit 1 is turned off, the dimming unit 1 is opaque; therefore, the utility model discloses borrow the regulation of the light-admitting amount is realized to the light transmissivity of the unit of adjusting luminance 1 that borrows by different quantity and position, consequently the utility model discloses a make a video recording electronic equipment 100 when the image of shooting different depth of field, the unit of adjusting luminance 1 through controlling among the array light ring structure 2 presents quantity and the position of light transmissivity, can adjust array light ring structure 2's the light-admitting amount to shoot out the image of different depth of field, breakthrough change now and adjust the light-admitting area and realize the design theory that the light-admitting amount was adjusted by mechanical structure, make the utility model discloses make a video recording electronic equipment 100 novel structure, dependable performance is suitable for extensive using widely. The array aperture structure 2 of the present invention is further described in detail with reference to fig. 3 to 8:

as shown in fig. 3-8, the utility model discloses an array aperture structure 2 includes a plurality of units of adjusting luminance 1, this unit of adjusting luminance 1 is the array and arranges the setting, adjust luminance unit 1 including the first polaroid 11 that all is the rectangle structure, first electrically conductive rete 12, liquid crystal layer 13, the electrically conductive rete 14 of second, glass layer 15, second polaroid 16 and be used for the power supply circuit 22 with external power supply 200 electric connection, the first polaroid 11 of rectangle structure, first electrically conductive rete 12, liquid crystal layer 13, the electrically conductive rete 14 of second, glass layer 15 and second polaroid 16 stack gradually the setting and form the unit of adjusting luminance 1 of rectangle structure, promptly: the upper surface of the first polaroid 11 is exposed to the outside, the lower surface of the first polaroid 11 covers the upper surface of the first conductive film layer 12, the lower surface of the first conductive film layer 12 covers the upper surface of the liquid crystal layer 13, the lower surface of the liquid crystal layer 13 covers the upper surface of the second conductive film layer 14, the lower surface of the second conductive film layer 14 covers the upper surface of the glass layer 15, the lower surface of the glass layer 15 covers the upper surface of the second polaroid 16, the lower surface of the second polaroid 16 is exposed to the outside, and the sizes of the upper surface and the lower surface which cover all the layers are matched completely; the first conductive film layer is a transparent and conductive structure, the utility model discloses the first conductive film layer 12 electric connection first wire 121 of each dimming unit 1 in the array type aperture structure 2, the first conductive film layer 12 electric connection first wire 121 of each dimming unit 1 borrows the switch circuit 21 and the power circuit 22 electric connection that correspond with it, all the switch circuits 21 are the setting of connecting in parallel, the second conductive film layer 14 is a transparent and conductive structure, the utility model discloses the second conductive film layer 14 electric connection one of each dimming unit 1 in the array type aperture structure 2 and the second wire 141 of power circuit 22 electric connection; FIG. 3 is a schematic diagram illustrating that the first conductive line 121 is electrically connected to the positive electrode of the external power source 200 through the switch circuit 21 and the second conductive line 141 is electrically connected to the negative electrode of the external power source 200; those skilled in the art can set the first wire 121 to be electrically connected to the negative electrode of the external power source 200 and the second wire 141 to be electrically connected to the positive electrode of the external power source 200 through the switch circuit 21 without any creative work according to the requirements of actual conditions. Therefore, the utility model discloses when the switching circuit 21 was disconnected, the utility model discloses the unit 1 of adjusting luminance of array type light ring structure 2, under the circumstances that the unit 1 of adjusting luminance was not electrified promptly, the liquid crystal ion in the liquid crystal layer 13 of the unit 1 of adjusting luminance that should not be electrified presented unordered range to make liquid crystal layer 13 present the mushy, and then light-tight, because the utility model discloses only lighttight liquid crystal layer 13 is light-tight under the circumstances that the electricity was not electrified in the structural layer of unit 1 of adjusting luminance, consequently makes under the circumstances that the electricity is not electrified the utility model discloses a unit 1 of adjusting luminance presents lighttight; when the light-adjusting unit 1 of the present invention needs to transmit light, the switch circuit 21 corresponding to the light-adjusting unit 1 needing light transmission is closed, so that the first lead 121 and the second lead 141 of the light-adjusting unit 1 needing light transmission are connected to the positive and negative poles of the external power source 200, so that a potential difference is generated between the conductive first conductive film 12 and the conductive second conductive film 14 at the two sides of the liquid crystal layer 13, and the liquid crystal layer 13 is in the electric field formed by the potential difference, that is, the liquid crystal ions of the liquid crystal layer 13 between the conductive first conductive film 12 and the conductive second film 14 are in the electric field formed by the conductive first conductive film 12 and the conductive second film 14, the liquid crystal ions in the liquid crystal layer 13 are orderly arranged along the electric field direction under the electric field formed by the conductive first conductive film 12 and the conductive second conductive film 14, thereby forming a gap for light transmission, the liquid crystal layer 13 is made to have light transmittance, so that the dimming unit 1 of the present invention has light transmittance when it is powered on; when the switch circuit 21 is turned off, the liquid crystal layer 13 is electrically connected to the external power supply 200, and there is no potential difference between the first conductive film layer 12 and the second conductive film layer 14, so that the electric field applied to both sides of the liquid crystal layer 13 disappears, and the liquid crystal layer 13 makes the liquid crystal ions in the liquid crystal layer 13 arrange in disorder due to the absence of the electric field, and recovers the original pasty state (i.e., opaque), thereby making the light-dimming unit 1 of the utility model powered on and transparent adjusted to be opaque by light transmission; from the above, the light-adjusting unit 1 of the present invention can effectively realize the reversible adjustment between the light transmittance and the light opacity by whether the first wire 121 and the second wire 141 are connected to the external power source 200; the utility model discloses adjust array aperture structure 2's of light flux each unit 1 of adjusting luminance all corresponds a switch circuit 21 and power supply circuit 22 electrical property intercommunication, consequently each unit 1 of adjusting luminance all receives the independent control rather than the switch circuit 21 who corresponds and realizes independent light transmissivity separately, when the light flux of array aperture structure 2 is adjusted to needs on this basis, through controlling the utility model discloses the unit 1 of adjusting luminance among array aperture structure 2 presents the quantity and the position of light transmissivity, can adjust aperture array structure 2's light flux, and breakthrough change has now adjusted the light transmission area by mechanical structure and has realized the design theory that light flux was adjusted, makes the utility model discloses array aperture structure 2's structure is novel, the dependable performance, is suitable for extensive using widely.

As shown in fig. 3 and fig. 4, it should be noted that the present invention is described by taking the first wire 121 electrically connected to the switch circuit 21 as an example, but of course, the switch circuit 21 may also be electrically connected to the second wire 141, or the first wire 121 of some dimming units 1 may be electrically connected to the switch circuit 21 and the second wires 141 of the rest dimming units 1 may be electrically connected to the switch circuit 21, or the first wire 121 and the second wire 141 of the dimming units 1 may be electrically connected to one switch circuit 21, and the operation principle of the first wire 121 and the second wire 141 is completely the same as that of the first wire 121 electrically connected to the switch circuit 21 no matter what form the first wire 121 and the second wire 141 are electrically connected to the switch circuit 21; that is, the first conductive film layer 12 and the second conductive film layer 14 are energized and generate an electric field, so that the liquid crystal layer 13 therebetween has light transmittance under the action of the electric field.

As shown in fig. 4, the first conductive film layer 12 in the electronic imaging device 100 and the array aperture structure 2 of the present invention is preferably an ITO film layer.

As shown in fig. 4, the second conductive film layer 12 in the electronic camera device 1002 and the array aperture structure 2 of the present invention is preferably an ITO film layer.

As shown in fig. 5 and 6, preferably, the light adjusting units 1 of the present invention are arranged side by side in an array form to form a disc-shaped structure; the disc-shaped structure can be directly matched with the lens 3 (shown in figure 3) with a circular structure; each of the small squares in fig. 5 and 6 illustrates an independently controlled light modulation unit 1 having a rectangular structure, wherein fig. 5 illustrates a schematic diagram of the light modulation units 1 arranged side by side in an array form to form a disk-shaped structure, and fig. 6 illustrates a schematic diagram of the arrangement of the light modulation units 1 having light transmittance, which is shown after a certain number of switch circuits 21 are simultaneously closed at different positions based on fig. 5, that is, a central shaded portion in fig. 6 is a light transmission surface 23 formed by the light modulation units 1 having light transmittance, and the light transmission surface 23 has a certain amount of light transmittance; in the state shown in fig. 6, the area of the light-transmitting surface 23 can be increased by increasing the number of the switches 21 at different positions, thereby increasing the amount of light transmitted; in contrast, in the state shown in fig. 6, the area of the light-transmitting surface 35 can be reduced by the number of the switch circuits 21 opened to be closed, thereby reducing the amount of light passing; it should be noted that the non-square lattice structure 24 at the circular edge of fig. 5 and 6 is filled with a filling material so that the whole structure has a regular circular structure.

As shown in fig. 7 and 8, preferably, the light adjusting units 1 of the present invention are arranged side by side in an array form to form a rectangular structure; compared with a round structure, the rectangular structure can be planned and designed more orderly; fig. 7 and 8 each shows a independently controlled light modulation unit 1 having a rectangular structure, wherein fig. 7 shows a schematic diagram of light modulation units 1 arranged side by side in an array form to form a rectangular structure, and fig. 8 shows a schematic diagram of light modulation units 1 having light transmittance arranged after a certain number of switching circuits 21 are simultaneously closed at different positions based on fig. 7, that is, a central shaded portion in fig. 8 is a light transmission surface 23 formed by the light modulation units 1 having light transmittance, and the light transmission surface 23 has a certain amount of light transmittance; in the state shown in fig. 8, the area of the light-transmitting surface 23 can be increased by increasing the number of the switches 21 at different positions, thereby increasing the amount of light transmitted; in contrast, in the state shown in fig. 8, the area of the light-transmitting surface 35 can be reduced by the number of the switch circuits 21 that are opened and closed, and the amount of light transmitted can be reduced.

It is worth noting that, when the utility model discloses a device self that array aperture structure 2 used possesses the power, first wire 121 and second wire 141 with its positive negative pole of using the power that the device possessed correspond the electrical property switch-on can, need not additionally to communicate external power.

With reference to fig. 2-8, the camera electronic device 100 and the array aperture structure 2 of the present invention are configured such that, when the camera electronic device is not powered, the liquid crystal ions in the liquid crystal layer 13 of the independently controlled dimming unit 1 are arranged in disorder, so that the liquid crystal layer 13 is in paste form, and the whole dimming unit 1 is opaque, so that the array aperture structure 2 is opaque when the camera electronic device is not powered; when needs make the utility model discloses a light modulating unit 1 carries out the light-permeability, the closure through switch circuit 21 corresponds the switch-on with first wire 121 and second wire 141 and external power supply 200's positive negative pole, thereby make to be located and produce the potential difference between the electrically conductive first conductive film layer 12 of liquid crystal layer 13 both sides and the electrically conductive second film layer 14, and then make liquid crystal layer 13 be in the electric field that this potential difference formed, liquid crystal ion will carry out orderly arrangement along the electric field direction under the electric field that first conductive film layer 12 and second conductive film layer 14 formed in liquid crystal layer 13, thereby form the clearance and supply the light transmission to pass through, make liquid crystal layer 13 present the light transmissivity, consequently light modulating unit 1 presents the light transmissivity under the circumstances of circular telegram; therefore, when the liquid crystal layer 13 is transparent, light enters from the upper surface of the first polarizer 11 exposed to the outside and exits from the lower surface of the second polarizer 16 exposed to the outside, or light enters from the lower surface of the second polarizer 16 exposed to the outside and exits from the upper surface of the first polarizer 11 exposed to the outside; therefore, the array-type aperture structures 2 formed by arranging the plurality of light adjusting units 1 in an array manner side by side can adjust the light transmission amount of the array-type aperture structures 2 by controlling the quantity and the positions of the light adjusting units 1 with light transmission according to the specific requirements of actual conditions, and the design concept that the light transmission area is adjusted by a mechanical structure to realize light transmission amount adjustment in the prior art is changed in a breakthrough manner; the structure is novel, the performance is reliable, and the device is suitable for wide popularization and application.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.

Claims

1. The utility model provides an array diaphragm structure, its characterized in that, includes a plurality of units of adjusting luminance, the unit of adjusting luminance is the array setting of arranging, the unit of adjusting luminance is including the first polaroid, first electrically conductive rete, liquid crystal layer, the electrically conductive rete of second, glass layer, the second polaroid that all are the rectangle structure and be used for with external power electric connection's power supply circuit, first polaroid, first electrically conductive rete, liquid crystal layer, the electrically conductive rete of second, glass layer and second polaroid are range upon range of the setting in proper order, first electrically conductive rete is printing opacity and electrically conductive structure, each the unit of adjusting luminance first electrically conductive rete electric connection a first wire, each first wire by a switch circuit with power supply circuit electric connection, all switch circuit is parallelly connected setting, the electrically conductive rete of second is printing opacity and electrically conductive structure, each the unit of adjusting luminance second electrically conductive rete electric connection one with power supply circuit electric connection's second is led A wire.

2. The array aperture structure of claim 1, wherein the dimming cells are arranged in an array side by side to form a circular structure.

3. The array aperture structure of claim 1, wherein the dimming cells are arranged in an array side by side to form a rectangular structure.

4. The array aperture structure of claim 1, wherein the first conductive film layer is an ITO film layer.

5. The array aperture structure of claim 1, wherein the second conductive film layer is an ITO film layer.

6. An electronic camera device comprising a lens for optically capturing images, wherein the lens comprises the array aperture structure of any one of claims 1 to 5 for adjusting the amount of light transmission, each of the light adjusting units independently controls the light transmission by means of a switch circuit thereof, and the adjustment of the amount of light transmission is achieved by the light transmission of the light adjusting units in different numbers and positions.