Ns Materials Inc.

Toppan Inc.

Tetsuji Ito

Akiharu Miyanaga

Eiichi Kanaumi

Yoshikazu Nageno

Shingo Kokudo

Mayuko Watanabe

An object is to provide an infrared sensor with a quantum dot optimized. The present invention provides an infrared sensor () including a light absorption layer () that absorbs an infrared ray, wherein the light absorption layer includes a plurality of spherical quantum dots (). Alternatively, the present invention provides an infrared sensor including a light absorption layer that absorbs an infrared ray, wherein the light absorption layer includes a plurality of quantum dots and the quantum dot includes at least one kind of PbS, PbSe, CdHgTe, AgS, AgSe, AgTe, AgInSe, AgInTe, CuInSe, CuInTe, and InAs.

Infrared sensor and manufacturing method for the same

Provided is a display device containing quantum dots. A display device includes a display area. The display area has a light emitting device in which a first electrode, a layer between the first electrode and an emitting layer, the emitting layer, a layer between the emitting layer and a second electrode, and the second electrode are stacked in this order on a substrate. The emitting layer is formed of an inorganic layer containing quantum dots, and the light emitting device is a top emission device. A thin film transistor connected to the light emitting device is preferably an n-ch TFT.

Display device

It is an object of the present invention to provide a wavelength conversion member capable of appropriately performing color conversion compared to the prior arts and a light-emitting apparatus, a light-emitting element, a light source apparatus, and a display apparatus using the wavelength conversion member. A wavelength conversion member of the present invention includes a light incident surface, a light emission surface and a side face that connects between the light incident surface and the light emission surface, and includes a container provided with a storage space inside the side face, a wavelength conversion substance that fills the inside of the storage space and a colored layer formed on the side face.

Wavelength conversion member, and light-emitting apparatus, light-emitting element, light source apparatus, and display apparatus using same

To provide a wavelength converting member in which the occurrence of blackening can be suppressed compared to the prior art; and a light emitting device, a light emitting element, a light source unit, and a display device using the wavelength converting member. The wavelength converting member includes: a receptacle including a light entrance plane and a light exit plane opposite to the light entrance plane and provided with a receiving space inside the light entrance plane and the light exit plane; and a wavelength conversion layer having quantum dots that is placed in the receiving space. The distance between the light entrance plane and the wavelength conversion layer is longer than the distance between the light exit plane and the wavelength conversion layer.

Wavelength converting member, and light emitting device, light emitting element, light source unit, and display device using wavelength converting member

Growing community of inventors

Fukuoka, Japan

Tetsuji Ito