Hoya Corporation

Hoya Lens Thailand Ltd.

Osaka University

Daicel Corporation

Yuki Iguchi

Satoshi Kobayashi

Shohei Matsuoka

Kazuki Okamoto

Hiroyuki Mukaiyama

Shinichi Hashimoto

Takahisa Omata

Katsuhiro Nose

Provided is an ophthalmological lens configured to provide a near-sightedness progression suppression effect using a monochromatic aberration of a pencil that is a bundle of rays passing through the ophthalmological lens and passing through a pupil, the ophthalmological lens including a wavelength filter for attenuating light of a long wavelength longer than a set dominant wavelength, and technology related thereto.

Ophthalmological lens

Provided are an ophthalmic lens and a technique related thereto, the ophthalmic lens including two lens elementsandhaving powers with different signs, in which when the Abbe number (e-line reference) of the lens elementhaving a power with a smaller absolute value is ν, and the Abbe number (e-line reference) of the other lens elementis ν, Formula 1 below is satisfied, andν<ν  (Formula 1)

Ophthalmic lens

Disclosed is an ultraviolet fluorescent material having high light emission efficiency, wherein the peak wavelength of ultraviolet light to be emitted can be controlled by having a quantum dot structure wherein a fine crystal of zinc oxide having an average diameter of 1-10 nm serves as a core, and the surface of the zinc oxide fine crystal is covered with at least one of LiGaO, LiAlO, NaGaOand NaAlO, which has a crystal structure similar to that of the zinc oxide and low lattice mismatch and hardly suffers from structural defects, or a solid solution thereof.

Core-shell quantum dot fluorescent fine particles

An inorganic EL device is provided with a substrate, a first electrode, a first insulating layer, a light emitting layer, a second insulating layer and a second electrode. The inorganic EL light emitting device is characterized in that the light emitting layer contains a quantum dot and is arranged between the first insulating layer and the second insulating layer by being brought into contact with each of the insulating layers.

Quantum dot inorganic electroluminescent device

To provide a (homogeneous) particle deposit without any impurity contamination, on which only particles with a desired size are deposited. A solution, with particles dispersed in a solvent, is jetted as a flow of fine liquid droplets from a tip part of a capillary, and the jetted fine liquid droplets are electrically charged. This flow of the droplets is introduced into a vacuum chamber through a jet nozzle, as a free jet flow. The free jet flow that travels in the vacuum chamber is introduced into an inside of a deposition chamber, inside of which is set at lower pressure, through a skimmer nozzle provided in the deposition chamber, as an ion beam. Subsequently, by an energy separation device, only particles having particular energy are selected from the electrically charged particles in the flow, and are deposited on a deposited body disposed in an inside of the deposition chamber.

Growing community of inventors

Tokyo, Japan

Yuki Iguchi