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US 2020/0091360 A1Published application
Photo detection element, photo detector, photo detection system, lidar device and vehicle
AssigneeKabushiki Kaisha Toshiba
InventorsYuki NOBUSA, Ikuo FUJIWARA, Kazuhiro SUZUKI
Life of this patent
Estimating the term…
Abstract
In one embodiment, a photo detection element includes a first region of a first conductivity type, a second region of a second conductivity type, a third region of the first conductivity type provided between the second region and the first region, and a plurality of structure bodies of the first conductivity type which are provided between the first region and the third region separately in a second direction crossing with a first direction from the third region toward the second region.
Claims22
A photo detection element comprising:
- a first region of a first conductivity type;
- a second region of a second conductivity type;
- a third region of the first conductivity type provided between the second region and the first region;
- and
- a plurality of structure bodies of the first conductivity type which are provided between the first region and the second region separately in a second direction crossing with a first direction from the third region toward the second region.
2 more elements
A photo detector comprising:
- at least two or more photo detection elements;
- and
- an element isolation structure provided among the photo detection elements;
- the photo detection element including
- a first region of a first conductivity type,
- a second region of a second conductivity type,
- a third region of the first conductivity type provided between the second region and the first region, and
- a plurality of structure bodies of the first conductivity type which are provided between the first region and the third region separately in a second direction crossing with a first direction from the third region toward the second region.
5 more elements
A photo detection system comprising:
- a photo detector;
- and
- a distance measuring circuit to calculate a light flight time from an output signal of the photo detector;
- the photo detector including
- at least two or more photo detection elements, and
- an element isolation structure provided among the photo detection elements;
- the photo detection element including
- a first region of a first conductivity type,
- a second region of a second conductivity type,
- a third region of the first conductivity type provided between the second region and the first region, and
- a plurality of structure bodies of the first conductivity type which are provided between the first region and the third region separately in a second direction crossing with a first direction from the third region toward the second region.
8 more elements
A lidar device comprising:
- a light source to irradiate an object with light;
- and
- a photo detection system to detect a light reflected from the object;
- the photo detection system including
- a photo detector, and
- a distance measuring circuit to calculate a light flight time from an output signal of the photo detector;
- the photo detector including
- at least two or more photo detection elements, and
- an element isolation structure provided among the photo detection elements;
- the photo detection element including
- a first region of a first conductivity type,
- a second region of a second conductivity type,
- a third region of the first conductivity type provided between the second region and the first region, and
- a plurality of structure bodies of the first conductivity type which are provided between the first region and the third region separately in a second direction crossing with a first direction from the third region toward the second region.
11 more elements
A vehicle comprising:
- four lidar devices provided at respective four corners of a vehicle body;
- the lidar device including
- a light source to irradiate an object with light, and
- a photo detection system to detect a light reflected from the object;
- the photo detection system including
- a photo detector, and
- a distance measuring circuit to calculate a light flight time from an output signal of the photo detector;
- the photo detector including
- at least two or more photo detection elements, and
- an element isolation structure provided among the photo detection elements;
- the photo detection element including
- a first region of a first conductivity type,
- a second region of a second conductivity type,
- a third region of the first conductivity type provided between the second region and the first region, and
- a plurality of structure bodies of the first conductivity type which are provided between the first region and the third region separately in a second direction crossing with a first direction from the third region toward the second region.
12 more elements
Dependencies are inferred from the claim text.