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US 10,381,395 B2Granted
Light control device with stacked light control layers
AssigneeSony Semiconductor Solutions Corporation
InventorsKyoko Izuha, Tomoo Mitsunaga, Kouichi Harada, Koji Kadono
Life of this patent
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Abstract
A light control device according to the present disclosure includes: stacked M (provided that M≥1) light control layers 113M in each of which a first nanocarbon film 114, a first intermediate layer 117A, a dielectric material layer 116, and a second intermediate layer 117B are stacked; and a second nanocarbon film 115formed on the second intermediate layer 117B included in an M-th light control layer 113M. A voltage is applied to the first nanocarbon film 114 and the second nanocarbon film 115.
Claims20
A light control device, comprising:
- stacked M light control layers, wherein a first nanocarbon film, a first intermediate layer, a dielectric material layer, and a second intermediate layer are stacked in each of the stacked M light control layers, and wherein M≥1;
- and
- a second nanocarbon film on the second intermediate layer included in an M-th light control layer of the stacked M light control layers, wherein
- a voltage is applied to the first nanocarbon film and the second nanocarbon film,
- a light transmittance in each of the stacked M light control layers is controlled by the voltage,
- the first nanocarbon film in an odd position is connected to a first interconnection based on an odd numbered M,
- the first nanocarbon film in an even position and the second nanocarbon film are connected to a second interconnection based on the odd numbered M,
- the first nanocarbon film in the odd position and the second nanocarbon film are connected to the first interconnection based on an even numbered M,
- the first nanocarbon film in the even position is connected to the second interconnection based on the even numbered M, and
- the first nanocarbon film in the odd position is different from the first nanocarbon film in the even position.
7 more elements
A light control device, comprising:
- a first electrode;
- a second electrode;
- and
- a light control layer sandwiched between the first electrode and the second electrode, wherein
- the light control layer has a stacked structure of a first dielectric material layer, a first intermediate layer, a first nanocarbon film doped with an impurity of an n-type, a second nanocarbon film doped with an impurity of a p-type, a second intermediate layer, and a second dielectric material layer,
- the first electrode faces the first nanocarbon film,
- the first dielectric material layer is between the first electrode and the first nanocarbon film,
- the second electrode faces the second nanocarbon film,
- the second dielectric material layer is between the second electrode and the second nanocarbon film,
- a first voltage is applied to the first electrode,
- a second voltage is applied to the second electrode, and the first voltage is higher than the second voltage.
8 more elements
A light control device, comprising:
- a pair of electrodes;
- and
- a light control layer sandwiched by the pair of electrodes, wherein
- the light control layer has a stacked structure of a first dielectric material layer, a first intermediate layer, a nanocarbon film doped with an impurity, a second intermediate layer, and a second dielectric material layer,
- a first voltage is applied to the nanocarbon film, and
- a second voltage different from the first voltage is applied to the pair of electrodes.
3 more elements
A light control device, comprising:
- a pair of electrodes;
- and
- a stacked structure body in which P light control layers sandwiched by the pair of electrodes are stacked, wherein
- a p-th light control layer of the P light control layers has a stacked structure of a first dielectric material layer, a first intermediate layer, a first nanocarbon film doped with an n-type impurity, a second intermediate layer, a second dielectric material layer, a third intermediate layer, a second nanocarbon film doped with a p-type impurity, and a fourth intermediate layer,
- a third dielectric material layer is on the fourth intermediate layer in a P-th light control layer of the P light control layers,
- a first voltage different from a second voltage is applied to the second nanocarbon film,
- the second voltage is applied to the first nanocarbon film, and 1≤p≤P.
4 more elements
An imaging element, comprising:
- a light receiving element;
- and
- a light control device on a light incidence side of the light receiving element,
- wherein the light control device includes:
- stacked M light control layers, wherein a first nanocarbon film, a first intermediate layer, a dielectric material layer, and a second intermediate layer are stacked in each of the stacked M light control layers, and wherein M≥1;
- and
- a second nanocarbon film on the second intermediate layer included in an M-th light control layer of the stacked M light control layers, wherein
- a voltage is applied to the first nanocarbon film and the second nanocarbon film,
- a light transmittance in each of the stacked M light control layers is controlled by the voltage,
- the first nanocarbon film in an odd position is connected to a first interconnection based on an odd numbered M,
- the first nanocarbon film in an even position and the second nanocarbon film are connected to a second interconnection based on the odd numbered M,
- the first nanocarbon film in the odd position and the second nanocarbon film are connected to the first interconnection based on an even numbered M,
- the first nanocarbon film in the even position is connected to the second interconnection based on the even numbered M, and
- the first nanocarbon film in the odd position is different from the first nanocarbon film in the even position.
11 more elements
An imaging element, comprising:
- a light receiving element;
- and
- a light control device on a light incidence side of the light receiving element,
- wherein the light control device includes:
- a pair of electrodes, and
- a light control layer sandwiched by the pair of electrodes,
- wherein the light control layer has a stacked structure of a first dielectric material layer, a first intermediate layer, a first nanocarbon film doped with an impurity of a first conductivity type, a second nanocarbon film doped with an impurity of a second conductivity type different from the first conductivity type, a second intermediate layer, and a second dielectric material layer, and
- wherein a voltage is applied to the pair of electrodes.
5 more elements
An imaging element, comprising:
- a light receiving element;
- and
- a light control device on a light incidence side of the light receiving element,
- wherein the light control device includes:
- a pair of electrodes;
- and
- a light control layer sandwiched by the pair of electrodes,
- wherein the light control layer has a stacked structure of a first dielectric material layer, a first intermediate layer, a nanocarbon film doped with an impurity, a second intermediate layer, and a second dielectric material layer,
- wherein a first voltage is applied to the nanocarbon film, and
- wherein a second voltage different from the first voltage is applied to the pair of electrodes.
7 more elements
An imaging element, comprising:
- a light receiving element;
- and
- a light control device on a light incidence side of the light receiving element,
- wherein the light control device includes:
- a pair of electrodes;
- and
- a stacked structure body in which P light control layers sandwiched by the pair of electrodes are stacked,
- wherein a p-th light control layer of the P light control layers has a stacked structure of a first dielectric material layer, a first intermediate layer, a first nanocarbon film doped with an n-type impurity, a second intermediate layer, a second dielectric material layer, a third intermediate layer, a second nanocarbon film doped with a p-type impurity, and a fourth intermediate layer,
- wherein a third dielectric material layer is on the fourth intermediate layer in a P-th light control layer of the P light control layers,
- wherein a first voltage different from a second voltage is applied to the second nanocarbon film,
- wherein the second voltage is applied to the first nanocarbon film, and wherein 1≤p≤P.
8 more elements
An imaging device, comprising:
- a plurality of imaging elements in a two-dimensional matrix configuration,
- wherein at least part of the plurality of imaging elements includes a light receiving element and a light control device on a light incidence side of the light receiving element,
- wherein the light control device includes:
- stacked M light control layers, wherein a first nanocarbon film, a first intermediate layer, a dielectric material layer, and a second intermediate layer are stacked in each of the stacked M light control layers, and wherein M≥1;
- and
- a second nanocarbon film on the second intermediate layer included in an M-th light control layer of the stacked M light control layers, wherein
- a voltage is applied to the first nanocarbon film and the second nanocarbon film,
- a light transmittance in each of the stacked M light control layers is controlled by the voltage,
- the first nanocarbon film in an odd position is connected to a first interconnection based on an odd numbered M,
- the first nanocarbon film in an even position and the second nanocarbon film are connected to a second interconnection based on the odd numbered M,
- the first nanocarbon film in the odd position and the second nanocarbon film are connected to the first interconnection based on an even numbered M,
- the first nanocarbon film in the even position is connected to the second interconnection based on the even numbered M, and
- the first nanocarbon film in the odd position is different from the first nanocarbon film in the even position.
10 more elements
An imaging device, comprising:
- a plurality of imaging elements in a two-dimensional matrix configuration,
- wherein at least part of the plurality of imaging elements includes a light receiving element and a light control device on a light incidence side of the light receiving element,
- wherein the light control device includes:
- a pair of electrodes;
- and
- a light control layer sandwiched by the pair of electrodes,
- wherein the light control layer has a stacked structure of a first dielectric material layer, a first intermediate layer, a first nanocarbon film doped with an impurity of a first conductivity type, a second nanocarbon film doped with an impurity of a second conductivity type different from the first conductivity type, a second intermediate layer, and a second dielectric material layer, and
- wherein a voltage is applied to the pair of electrodes.
5 more elements
An imaging device, comprising:
- a plurality of imaging elements in a two-dimensional matrix configuration,
- wherein at least part of the imaging elements includes a light receiving element and a light control device on a light incidence side of the light receiving element,
- wherein the light control device includes:
- a pair of electrodes;
- and
- a light control layer sandwiched by the pair of electrodes,
- wherein the light control layer has a stacked structure of a first dielectric material layer, a first intermediate layer, a nanocarbon film doped with an impurity, a second intermediate layer, and a second dielectric material layer,
- wherein a first voltage different from a second voltage is applied to the nanocarbon film, and
- wherein the second voltage is applied to the pair of electrodes.
6 more elements
An imaging device, comprising:
- a plurality of imaging elements in a two-dimensional matrix configuration,
- wherein at least part of the plurality of imaging elements includes a light receiving element and a light control device on a light incidence side of the light receiving element,
- wherein the light control device includes:
- a pair of electrodes;
- and
- a stacked structure body in which P light control layers sandwiched by the pair of electrodes are stacked,
- wherein a p-th light control layer of the P light control layers has a stacked structure of a first dielectric material layer, a first intermediate layer, a first nanocarbon film doped with an n-type impurity, a second intermediate layer, a second dielectric material layer, a third intermediate layer, a second nanocarbon film doped with a p-type impurity, and a fourth intermediate layer,
- wherein a third dielectric material layer is on the fourth intermediate layer in a P-th light control layer of the P light control layers,
- wherein a first voltage different from a second voltage is applied to the second nanocarbon film,
- wherein the second voltage is applied to the first nanocarbon film, and wherein P≥1 and 1≤p≤P.
7 more elements
Dependencies are inferred from the claim text.