CN210894915U - Annular liquid crystal dimming unit, aperture structure and electronic equipment - Google Patents

Abstract

The utility model discloses an annular liquid crystal dimming unit, it includes the first polaroid that all is cyclic annular and range upon range of in proper order, first conductive film layer, the liquid crystal layer, second conductive film layer, glass layer and second polaroid, range upon range of in proper order and form concentric annular structure, first conductive film layer is printing opacity and conductive structure, first conductive film layer electric connection a first wire, second conductive film layer is printing opacity and conductive structure, a second wire of second conductive film layer electric connection, when first wire and second wire switch on, make the liquid crystal layer be in the electric field that first, two conductive film layers formed, thereby make the utility model discloses present the light transmissivity, the light transmissivity disappears when switching off the power supply, thereby can carry out the regulation of the light transmission amount; additionally, the utility model also discloses an aperture structure and electronic equipment that have this unit of adjusting luminance.

Description

Annular liquid crystal dimming unit, aperture structure and electronic equipment

Technical Field

The utility model relates to an optical device especially relates to a can carry out the reversible unit of adjusting luminance that adjusts of light transmissivity to light.

Background

At present, most light modulation devices are made by coating films on the surface of glass, and films made of different materials can be adopted to enable light with a certain wavelength in light to be reflected or transmitted by a glass window according to different requirements on light reflection and light transmission, so that the purposes of light transmission and light reflection are achieved; once the structure of the coated glass is formed, the optical light transmission performance of the coated glass cannot be reversibly adjusted, the light transmission performance cannot be adjusted to be light-tight, or the light transmission performance cannot be adjusted to be light-tight from the light transmission performance, the light transmission and the light-tight are required to be selected in many occasions when the coated glass is used, if the coated glass is fixed on one light performance, the coated glass is not required to be used, and if the coated glass is only required to be transmitted, the light transmission can be permanently realized by directly using common glass; if only the occasion of light-proof is needed, the light-proof can be permanently realized by directly using the plate made of the light-proof material; therefore, the prior coated glass cannot reversibly adjust the light transmittance, so the application range of the prior coated glass is greatly limited; in addition, most of the reflective materials adopted by the existing coated glass are based on metal and metal oxide doped ion crystals, the reflective materials forming the glass are easy to interfere navigation and communication systems, and the disadvantage makes the coated glass difficult to be used in electronic equipment and difficult to popularize and widely apply in the world.

In addition, most of the existing diaphragm structures for adjusting the light transmission amount in the photographic equipment for capturing images adopt mechanical diaphragm structures, and the mechanical diaphragm structures are mainly divided into iris type diaphragms and cat eye type diaphragms; 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, a light modulation structure and a non-mechanical aperture structure with novel structure and capable of reversibly adjusting the light transmittance are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel and cyclic annular liquid crystal unit of adjusting luminance that can also realize carrying out the reversible regulation of light transmissivity to the light of structure.

Another object of the present invention is to provide an aperture structure, which adopts the non-mechanical principle to adjust the light transmission amount, and is composed of a plurality of independent annular liquid crystal light modulation units capable of reversibly adjusting the light transmission amount, and the light transmission amount of the aperture structure is adjusted by changing the light transmission amount of the annular liquid crystal light modulation units.

Another object of the present invention is to provide an electronic apparatus, the aperture structure of the electronic apparatus adopts the non-mechanical principle to adjust the amount of light passing, so that images with different depths of field can be taken according to the requirement.

In order to achieve the above object, the utility model provides an annular liquid crystal unit of adjusting luminance, this annular liquid crystal unit of adjusting luminance is including all being annular first polaroid, first electrically conductive rete, the liquid crystal layer, the electrically conductive rete of second, glass layer and second polaroid, first electrically conductive rete, the liquid crystal layer, the electrically conductive rete of second, glass layer and second polaroid are range upon range of in proper order and are formed concentric annular structure, first electrically conductive rete is printing opacity and electrically conductive structure, a first wire of first electrically conductive rete electric connection, the electrically conductive rete of second is printing opacity and electrically conductive structure, a second wire of electrically conductive rete electric connection.

Compared with the prior art, the annular liquid crystal dimming unit of the utility model has the advantages that the liquid crystal ions in the liquid crystal layer are arranged in disorder under the condition of no power supply, so that the liquid crystal layer is pasty and is light-proof, and the only light-proof liquid crystal layer in the structural layer of the utility model is light-proof under the condition of no power supply, so that the utility model has light-proof performance under the condition of no power supply; when needing to make the utility model discloses when making the light transmission, correspond the switch-on with the positive negative pole of first wire and second wire and external power source, thereby make to be located and produce the potential difference between the electrically conductive first electrically conductive rete of liquid crystal layer both sides and the electrically conductive rete of second, and then make the liquid crystal layer be in the electric field that this potential difference formed, the liquid crystal ion of the liquid crystal layer that is located between electrically conductive first electrically conductive rete and the electrically conductive rete of second will be in among the electric field that first electrically conductive rete and second electrically conductive rete formed promptly, liquid crystal ion will carry out orderly arrangement along the electric field direction under the electric field that first electrically conductive rete and second electrically conductive rete formed in the liquid crystal layer, thereby form the clearance and supply the light transmission to pass through, make the liquid crystal layer present the light transmissivity, consequently under the; after the first lead and the second lead are disconnected from the external power supply, no potential difference exists between the first conductive film layer and the second conductive film layer, so that the electric field applied to the two sides of the liquid crystal layer disappears, and the liquid crystal layer can ensure that liquid crystal ions in the liquid crystal layer are arranged disorderly due to the absence of the action of the electric field, and the original pasty state (namely, light-proof) of the liquid crystal layer is recovered, so that the utility model is adjusted to be light-proof by the light transmission property; therefore, 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 or not; additionally, the utility model discloses a liquid crystal layer realizes light transmissivity and opaque reversible regulation, breaks through traditional light control glass's structure setting, and the structure is novel reliable, because the utility model discloses have printing opacity and opaque reversible regulation nature to light, consequently can be extensive be applicable to various places, have stronger practicality, be suitable for extensive using widely, and the utility model discloses still not relate to reflecting material's use, can not disturb navigation and communication system's use.

Preferably, the first conductive film layer of the annular liquid crystal dimming unit of the present invention is an ITO film layer.

Preferably, the utility model discloses a cyclic annular liquid crystal unit of adjusting luminance's electrically conductive rete of second is the ITO rete.

The utility model provides an aperture structure, including two at least foretell cyclic annular liquid crystal unit of adjusting luminance, the cyclic annular liquid crystal that is the cyclic annular structure adjusts luminance is concentric each other cover in proper order between the unit and establishes the distribution, the outer diameter that lies in inboard cyclic annular liquid crystal unit of adjusting luminance in the cyclic annular liquid crystal unit that two adjacent covers were established equals the inner diameter that lies in the cyclic annular liquid crystal unit of adjusting luminance in the outside, a first wire or a second wire electric connection switch circuit of each cyclic annular liquid crystal unit of adjusting luminance, all switch circuits are parallelly connected electric connection one and are used for being electric connection's power supply circuit with the power.

Compared with the prior art, the aperture structure of the utility model is formed by mutually sleeving the annular liquid crystal dimming units which are mutually independently controlled in sequence concentrically, when the light transmission amount of the aperture structure needs to be adjusted, the corresponding annular liquid crystal dimming units can be controlled to transmit light or not by closing or opening the switch circuits corresponding to each annular liquid crystal dimming unit, and then the light transmission amount of the aperture structure can be adjusted; specifically, when needs the utility model discloses an aperture structure is when light-permeable, with power supply circuit and external power switch-on, it needs non-light tight cyclic annular liquid crystal to adjust luminance the unit to select in proper order from the centre of a circle department (promptly, from interior to exterior selects cyclic annular liquid crystal and adjusts luminance the unit), and correspond closed and the switch circuit who corresponds, the closure of switch circuit will make the first wire and the positive negative pole of second wire and external power of the cyclic annular liquid crystal unit of adjusting luminance that corresponds correspond switch-on, thereby make to be located the electrically conductive first electrically conductive rete of liquid crystal layer both sides and produce the potential difference between the electrically conductive second electrically conductive rete, and then make the liquid crystal layer be in the electric field that this potential difference formed, the liquid crystal ion that is located the electrically conductive liquid crystal layer between first electrically conductive rete and the electrically conductive rete of second promptly will be in the electric field that first electrically conductive rete and second electrically conductive rete formed, liquid crystal ion in the liquid crystal layer will carry out the order along the The arrangement of the light guide plate is used for forming a gap for light to transmit through, so that the liquid crystal layer has light transmission, and the annular liquid crystal dimming units sequentially selected from the circle center have light transmission under the condition of power-on, thereby ensuring that the aperture structure of the utility model has light transmission; when the switch circuit corresponding to the annular liquid crystal dimming unit is switched from a closed state to an open state, no potential difference exists between the first conductive film layer and the second conductive film layer of the corresponding annular liquid crystal dimming unit, so that an electric field applied to two sides of the liquid crystal layer disappears, and the liquid crystal layer enables liquid crystal ions in the liquid crystal layer to be arranged in disorder due to no action of the electric field and recovers the original mode shape (namely, light-tight), so that the light-tight structure can effectively realize reversible regulation between light transmittance and light transmittance by controlling the quantity of the annular liquid crystal dimming unit which is conducted with an external power supply to control the light transmittance area of the light ring structure and further control the light transmittance quantity of the light ring structure; specifically, when the light transmission amount of the aperture structure needs to be increased, the electrical conduction between the annular liquid crystal dimming units and an external power supply is sequentially increased from inside to outside, so that the number of the annular liquid crystal dimming units with light transmission is increased, namely, the light transmission area of the aperture structure is increased, the light transmission amount of the aperture structure is further increased, and the increased and original light transmission annular liquid crystal dimming units are also sequentially arranged from inside to outside, so that a continuous light transmission surface is formed; when the light transmission amount of the aperture structure needs to be reduced, the annular liquid crystal dimming units are sequentially disconnected from outside to inside to be electrically connected with an external power supply, so that the number of the annular liquid crystal dimming units with light transmission is reduced, namely, the light transmission area of the aperture structure is reduced, the light transmission amount of the aperture structure is further reduced, and the rest light-transmitting annular liquid crystal dimming units are sequentially arranged from inside to outside, so that a continuous light transmission surface is also formed; by last knowing, the utility model discloses a printing opacity face that the light ring structure formed is through from interior to exterior the printing opacity cyclic annular liquid crystal unit of adjusting luminance of arranging in proper order and constitutes, and consequently the printing opacity face that forms all is continuous, reaches the same printing opacity effect of current mechanical light ring, and breakthrough change has now adjusted the printing opacity area by mechanical structure and has realized the design theory that the light flux was adjusted, makes the utility model discloses the structure is novel, the dependable performance is suitable for extensive using widely.

Preferably, the utility model discloses an it establishes the distribution and forms the integral type structure to be concentric each other cover in proper order between the cyclic annular liquid crystal unit of adjusting luminance of light ring structure.

Preferably, the annular liquid crystal dimming unit of the aperture structure of the present invention is sequentially sleeved with each other concentrically to form a recess structure.

Preferably, the annular liquid crystal dimming units of the aperture structure of the present invention are mutually concentric and are disposed to form a flat structure.

Preferably, the annular structures of all the annular liquid crystal dimming units of the aperture structure of the present invention have the same width.

The utility model provides an electronic equipment, including the power, be used for optics to catch the camera lens of image and be used for handling the processing module of image, processing module and power electric connection, wherein, the camera lens is including the above-mentioned light ring structure of control light flux volume, power circuit electric connection in power and the light ring structure.

Compared with the prior art, the utility model discloses an electronic equipment is when the image of shooting different depth of field, through the circular liquid crystal who adjusts luminance the unit in the regulation light ring structure the circular telegram condition, can adjust the luminous flux of light ring 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 luminous flux was adjusted, make the utility model discloses the structure is novel, the 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 diagram of the electronic device of the present invention.

Fig. 3 is a structural schematic of the aperture structure of the present invention.

Fig. 4 is a schematic structural diagram of the annular liquid crystal dimming unit of the present invention.

Fig. 5 is a schematic cross-sectional structure diagram of the annular liquid crystal dimming unit of the present invention.

Fig. 6 is an equivalent circuit schematic block diagram of the annular liquid crystal dimming unit of the present invention.

Fig. 7 is a schematic view showing a state in which the annular liquid crystal dimming cell of the present invention has a certain amount of light transmission.

Fig. 8 is a schematic view of the annular liquid crystal dimming cell in fig. 7 in a state where a certain amount of light is applied.

Fig. 9 is a schematic view of the annular liquid crystal dimming cell in fig. 7 in a state where a constant amount of light is reduced.

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 and fig. 3, the electronic device 3 of the present invention comprises a power supply, a lens 31 for optically capturing images and a processing module 32 for processing images, wherein the processing module 32 is electrically connected to the power supply, usually, the power supply of the electronic device 3 is installed in the housing of the processing module 32 in a built-in or detachable manner, the lens 31 comprises an aperture structure 2 for controlling the amount of light transmission, and the power supply is electrically connected to the power circuit in the aperture structure 2 (as shown in fig. 6), the aperture structure 2 of the electronic device 3 of the present invention has a plurality of mutually independent annular liquid crystal light modulation units 1, the annular liquid crystal light modulation unit 1 exhibits light-tightness when not being powered, the annular liquid crystal light modulation unit 1 exhibits light-permeability when being powered, the amount of light transmission of the aperture structure 2 can be adjusted by adjusting the power on condition of the annular liquid crystal light modulation unit 1 in the aperture structure 2, thereby capturing images with different depths of field, the design concept that the light transmission area is adjusted by the existing mechanical structure to realize the adjustment of the light transmission amount is changed in a breakthrough manner, so that the electronic equipment 3 of the utility model has novel structure and reliable performance and is suitable for wide popularization and use; the specific structures of the annular liquid crystal dimming unit 1 and the aperture structure 2 of the present invention are further described in detail with reference to fig. 4 to 9:

as shown in fig. 4 and 5, the annular liquid crystal dimming unit 1 of the present invention includes a first polarizer 11, a first conductive film 12, a liquid crystal layer 13, a second conductive film 14, a glass layer 15 and a second polarizer 16, wherein the first polarizer 11, the first conductive film 12, the liquid crystal layer 13, the second conductive film 14, the glass layer 15 and the second polarizer 16 are sequentially stacked and form a concentric annular structure (as shown in fig. 4), and the sequential stacking is that: 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 12 is a transparent and conductive structure, the first conductive film layer 12 is electrically connected to a first wire 121, the second conductive film layer 14 is a transparent and conductive structure, and the second conductive film layer 14 is electrically connected to a second wire 141; therefore, it can be seen that the annular liquid crystal dimming unit 1 of the present invention is under the condition of no power supply, the liquid crystal ions in the liquid crystal layer 13 are arranged in disorder, so that the liquid crystal layer 13 is in a pasty state, and is thus opaque, because the only opaque liquid crystal layer 13 in each structural layer of the annular liquid crystal dimming unit 1 of the present invention is opaque under the condition of no power supply, so that the annular liquid crystal dimming unit 1 of the present invention exhibits opacity under the condition of no power supply; when the annular liquid crystal dimming cell 1 of the present invention needs to be made transparent, the first wire 121 and the second wire 141 are connected to the positive and negative poles of the external power source, so that a potential difference is generated between the conductive first conductive film layer 12 and the conductive second conductive film layer 14 on both sides of the liquid crystal layer 13, and the liquid crystal layer 13 is in an electric field formed by the potential difference, namely, the liquid crystal ions of the liquid crystal layer 13 located between the conductive first conductive film 12 and the conductive second conductive film 14 will be in the electric field formed by the first conductive film 12 and the second conductive film 14, the liquid crystal ions in the liquid crystal layer 13 will be orderly arranged along the direction of the electric field under the electric field formed by the first conductive film layer 12 and the second conductive film layer 14, thereby forming a gap for light to transmit through, so that the liquid crystal layer 13 presents light transmittance, and the annular liquid crystal dimming unit 1 of the present invention presents light transmittance under the power-on condition; therefore, when the liquid crystal layer 13 is transparent, light entering from the upper surface of the first polarizer 11 exposed to the outside exits from the lower surface of the second polarizer 16 exposed to the outside, or light entering from the lower surface of the second polarizer 16 exposed to the outside exits from the upper surface of the first polarizer 11 exposed to the outside.

It should be noted that, when the device (including but not limited to the lens and the electronic device) applied to the annular liquid crystal dimming unit 1 of the present invention has a power supply, the first wire 121 and the second wire 141 are electrically connected to the positive electrode and the negative electrode of the power supply of the device, and there is no need to additionally connect an external power supply; when the first wire 121 and the second wire 141 are electrically connected to an external power source, 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 annular liquid crystal dimming unit 1 of the present invention adjust the light transmittance to the opaque state; therefore, the reversible adjustment between the light transmittance and the light impermeability can be effectively realized by the fact that whether the first lead 121 and the second lead 141 are connected with the external power supply or not; additionally, the utility model discloses an annular liquid crystal unit 1 of adjusting luminance realizes light transmissivity and opaque reversible regulation through liquid crystal layer 13, breaks through traditional dimming glass's structure setting, and the structure is novel reliable, because the utility model discloses have printing opacity and opaque reversible regulation nature to light, consequently can be extensive be applicable to various places, have stronger practicality, be suitable for extensive using widely, and the utility model discloses still not relate to reflecting material's use, can not disturb navigation and communication system's use.

With reference to fig. 3-6, the aperture structure 2 of the present invention includes at least two annular liquid crystal dimming units 1, the annular liquid crystal dimming units 1 of the annular structure are sequentially concentrically arranged and distributed, the outer diameter of the annular liquid crystal dimming unit 1 located inside of two adjacent annular liquid crystal dimming units 1 is equal to the inner diameter of the annular liquid crystal dimming unit 1 located outside, and the first wire 121 or the second wire 141 of each annular liquid crystal dimming unit 1 is electrically connected to a switch circuit 21; all switch circuits 21 are parallelly connected electric connection one and are used for being electric connection's power supply circuit 22 with the power, and fig. 6 gives the circuit schematic block diagram that switch circuit 21, power supply circuit 22 and power 23 are connected, works as the utility model discloses a device (including but not only limited to camera lens and electronic equipment) that aperture structure 2 used possess the power, power supply circuit 22 with the above-mentioned device possessed power electric connection can, need not in the external power of intercommunication.

As shown in fig. 4-6, 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 of the annular liquid crystal dimming units 1 may be electrically connected to the switch circuit 21 and the second wires 141 of the other annular liquid crystal dimming units 1 may be electrically connected to the switch circuit 21, or the first wire 121 and the second wire 141 of the same annular liquid crystal dimming unit 1 are both electrically connected to one switch circuit 21, and the working principle of the first wire 121 and the second wire 141 electrically connected to the switch circuit 21 is completely the same as that of the first wire 121 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.

With reference to fig. 3-6, the aperture structure 2 of the present invention is formed by mutually concentrically and mutually sleeving the annular liquid crystal dimming units 1 which are independently controlled, when the amount of light passing through the aperture structure 2 needs to be adjusted, the corresponding annular liquid crystal dimming unit 1 can be controlled to transmit light or not by closing or opening the switch circuit 21 corresponding to each annular liquid crystal dimming unit 1, so as to adjust the amount of light passing through the aperture structure 2; specifically, when needing the utility model discloses a diaphragm structure 2 is when passing through, with power supply circuit 22 and external power 23 switch-on, select out the annular liquid crystal dimming unit 1 that needs printing opacity in proper order from the centre of a circle department (namely, select out the annular liquid crystal dimming unit in proper order from interior to exterior), and correspond closed switch circuit 21 rather than corresponding, the closure of switch circuit 21 will make the first wire 121 and the second wire 141 of the annular liquid crystal dimming unit 1 that correspond the switch-on with the positive negative pole of external power supply 23 (when the device that diaphragm structure 2 used has the power, this external power supply is the power that the device has promptly), thereby make and be located the first electrically conductive rete 12 of electrically conductive of liquid crystal layer 13 both sides and produce the potential difference between the electrically conductive first electrically conductive rete 14 of second, and then make the liquid crystal layer 13 be in the electric field that this potential difference formed, the liquid crystal ion that is located the liquid crystal layer 13 between electrically conductive first electrically conductive rete 12 of electrically conductive and the electrically conductive rete 14 Among the electric field formed by the conductive film layer 14, liquid crystal ions in the liquid crystal layer 13 are orderly arranged along the electric field direction under the electric field formed by the first conductive film layer 12 and the second conductive film layer 14, so that a gap is formed for light to transmit through, the liquid crystal layer 13 has light transmission, the annular liquid crystal dimming units 1 sequentially selected from the circle center are all light transmission under the condition of being electrified, and the aperture structure 2 of the utility model has light transmission; 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; when the switch circuit 21 corresponding to the annular liquid crystal dimming unit 1 is switched from the closed state to the open state, there is no potential difference between the first conductive film layer 12 and the second conductive film layer 14 of the corresponding annular liquid crystal dimming unit 1, so 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 perform disordered arrangement due to no electric field effect, and recovers the original mode shape (i.e. light-tight), therefore, the reversible adjustment between the light transmittance and the light-tight property can be effectively realized by switching the on and off of the switch circuit 21 of each annular liquid crystal dimming unit 1, and further the aperture structure 2 of the present invention can control the light transmittance area of the aperture structure by controlling the amount of conduction of the annular liquid crystal dimming unit 1 and the external power supply 23, and further control the light transmission amount of the aperture structure 2; specifically, when the light transmission amount of the aperture structure 2 needs to be increased, the electrical conduction between the annular liquid crystal dimming units 1 and the external power supply 23 is sequentially increased from inside to outside, so that the number of the annular liquid crystal dimming units 1 with light transmission is increased, that is, the light transmission area of the aperture structure 2 is increased, and further the light transmission amount of the aperture structure 2 is increased, and the increased and original light-transmitting annular liquid crystal dimming units 1 are sequentially arranged from inside to outside, so that a continuous light transmission surface is formed; when the light transmission amount of the aperture structure 2 needs to be reduced, the annular liquid crystal dimming units 1 are sequentially disconnected from outside to inside to be electrically connected with the external power supply 23, so that the number of the annular liquid crystal dimming units 1 with light transmission is reduced, namely, the light transmission area of the aperture structure 2 is reduced, the light transmission amount of the aperture structure 2 is further reduced, and the remaining light transmission annular liquid crystal dimming units 1 are sequentially arranged from inside to outside, so that a continuous light transmission surface is also formed;

more specifically, the above-described case of changing the amount of light flux is described in further detail with reference to fig. 6 to 9: when the light transmission area of the aperture structure 2 of the present invention in a certain state is as shown in fig. 7, the amount of light transmitted through the aperture structure 2 shown in fig. 7 needs to be increased to the amount of light transmitted through the aperture structure 2 shown in fig. 8, then two annular liquid crystal dimming units 1 are sequentially added from inside to outside on the basis of fig. 7 to be electrically connected to the external power supply 23, so as to obtain the aperture structure 2 shown in fig. 8 with increased amount of light transmitted; when the light transmission area of the aperture structure 2 of the present invention in a certain state is as shown in fig. 7, and the light transmission amount of the aperture structure 2 shown in fig. 7 needs to be reduced to the light transmission amount of the aperture structure shown in fig. 9, the electrical conduction between the two annular liquid crystal dimming units 1 and the external power supply 23 is sequentially disconnected from outside to inside on the basis of fig. 7, so as to obtain the aperture structure 2 shown in fig. 9 with the reduced light transmission amount; the above-mentioned increasing the number of electrical conduction between the annular liquid crystal dimming unit 1 and the power supply 23 and the number of electrical conduction between the annular liquid crystal dimming unit 1 and the power supply 23 are obtained without any creative labor according to the actual use requirements by those skilled in the art, and are not described in detail herein.

As shown in fig. 7-9, from the above, the utility model discloses a light transmission face that light ring structure 2 formed is through the euphotic cyclic annular liquid crystal unit 1 that adjusts luminance that from interior to exterior arranged in proper order and constitutes, and consequently the light transmission face that forms is continuous, reaches the same printing opacity effect of current mechanical light ring, 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 the structure is novel, the dependable performance is suitable for extensive using widely.

As shown in fig. 2, fig. 3 and fig. 5, preferably, the first conductive film layer 12 in the annular liquid crystal dimming unit 1, the aperture structure 2 and the electronic device 3 of the present invention is an ITO film layer.

As shown in fig. 2, fig. 3 and fig. 5, preferably, the second conductive film layer 14 in the annular liquid crystal dimming unit 1, the aperture structure 2 and the electronic device 3 of the present invention is an ITO film layer.

As shown in fig. 3, 4, 7, 8 and 9, preferably, the aperture structure 2 and the annular liquid crystal dimming units 1 of the electronic device 3 of the present invention are sequentially concentrically sleeved with each other to form an integrated structure; more specifically, the annular liquid crystal dimming units 1 are sequentially concentrically sleeved with each other to form a concave structure, such as a bowl-shaped concave structure; in another embodiment, the annular liquid crystal dimming cells 1 are sequentially and concentrically arranged to form a flat plate structure.

Preferably, the annular structures of all the annular liquid crystal dimming units 1 in the aperture structure 2 and the electronic device 3 of the present invention have the same width.

With reference to fig. 2-9, the electronic device 3, the aperture structure 2 and the annular liquid crystal dimming unit 1 of the present invention have a disordered arrangement of liquid crystal ions in the liquid crystal layer 13 under the condition of no power supply, so that the liquid crystal layer 13 is in a paste shape and is opaque, and the annular liquid crystal dimming unit 1 is opaque under the condition of no power supply; when the need makes the utility model discloses cyclic annular liquid crystal dimming unit 1 transmits light, correspond the switch-on with the positive negative pole of first wire 121 and second wire 141 and external power source, thereby make and be located the first electrically conductive rete 12 of the electrically conductive of liquid crystal layer 13 both sides and produce the potential difference between the electrically conductive rete 14 of second, 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 electrically conductive rete 12 and second electrically conductive rete 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 cyclic annular liquid crystal dimming 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 annular liquid crystal dimming unit 1 provided by the utility model breaks through the structural arrangement of the traditional dimming glass, and the structure is novel and reliable; the diaphragm structure 2 and the electronic device 3 with the annular liquid crystal dimming unit are enabled to change the design concept of adjusting the light transmission area by the existing mechanical structure to realize the light transmission amount adjustment 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 (9)

1. The utility model provides an annular liquid crystal dimming unit, its characterized in that, annular liquid crystal dimming unit is including all being annular first polaroid, first electrically conductive rete, liquid crystal layer, the electrically conductive rete of second, glass layer and second polaroid, first electrically conductive rete, liquid crystal layer, the electrically conductive rete of second, glass layer and second polaroid are range upon range of in proper order and are formed concentric annular structure, first electrically conductive rete is printing opacity and electrically conductive structure, a first wire of electrically conductive rete electric connection, the electrically conductive rete of second is printing opacity and electrically conductive structure, a second wire of electrically conductive rete electric connection.

2. The annular liquid crystal dimming cell of claim 1, wherein the first conductive film layer is an ITO film layer.

3. The annular liquid crystal dimming cell of claim 1, wherein the second conductive film layer is an ITO film layer.

4. An aperture structure, comprising at least two annular liquid crystal dimming units according to any one of claims 1 to 3, wherein the annular liquid crystal dimming units in an annular structure are sequentially concentrically arranged in a mutual sleeved manner, the outer diameter of the annular liquid crystal dimming unit located at the inner side in two adjacent annular liquid crystal dimming units is equal to the inner diameter of the annular liquid crystal dimming unit located at the outer side, the first wire or the second wire of each annular liquid crystal dimming unit is electrically connected with a switch circuit, and all the switch circuits are electrically connected in parallel with a power circuit for electrically connecting with a power supply.

5. The aperture structure of claim 4, wherein the annular liquid crystal dimming units are sequentially concentrically sleeved with each other to form an integrated structure.

6. The aperture structure of claim 4, wherein the annular liquid crystal dimming cells are sequentially and concentrically sleeved with each other to form a concave structure.

7. The aperture structure of claim 4, wherein the annular liquid crystal dimming cells are sequentially concentrically sleeved with each other to form a flat plate structure.

8. The aperture structure of claim 4, wherein the annular structures of all the annular liquid crystal dimming cells have the same width.

9. An electronic device comprising a housing, and mounted on said housing, a power supply assembly, a lens for optically capturing an image, and a processing module for processing the image, said processing module being electrically connected to said power supply assembly, wherein said lens comprises an aperture arrangement according to any of claims 4-8 for controlling the amount of light transmitted, and said power supply assembly is electrically connected to a power supply circuit in said aperture arrangement.

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