Electrochromic element and display device
AssigneeSamsung Electronics Co., Ltd.
InventorsAtsuhito MURAI, Takashige FUJIMORI, Tatsuhiro SUWA
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Abstract
An electrochromic device includes: a first electrode including a first conductive area and a first non-conductive area, the first electrode being connected to a first electric potential; a second electrode opposite to the first electrode, and the second electrode including a second conductive area having an area ratio greater than an area ratio of the first conductive area in the first electrode; and an electrolyte layer between the first electrode and the second electrode, and including an electrochromic material.
Claims20
An electrochromic element comprising:
- a first electrode comprising a first electrically conductive area and at least one first electrically non-conductive area, the first electrode being connected to a first electric potential;
- a second electrode opposite to the first electrode, the second electrode comprising a second electrically conductive area having an area ratio greater than an area ratio of the first electrically conductive area in the first electrode;
- and
- an electrolyte layer between the first electrode and the second electrode, the electrolyte layer comprising an electrochromic material.
A display device comprising:
- an electrochromic element comprising:
- a first electrode comprising a first electrically conductive area and at least one first electrically non-conductive area, the first electrode being connected to a first electric potential;
- a second electrode opposite to the first electrode, the second electrode comprising a second electrically conductive area having an area ratio higher than an area ratio of the first electrically conductive area in the first electrode;
- and
- an electrolyte layer between the first electrode and the second electrode, the electrolyte layer comprising an electrochromic material;
- and
- a transparent display on the electrochromic element and comprising a light-transmissive area and a light-shielding area.
A method of controlling an electrochromic element, the method comprising:
- applying a reduction voltage between a first electrode and a second electrode of the electrochromic element such that an electrochromic material is deposited on a surface of the second electrode o have a light-shielding state;
- and
- applying a oxidation voltage between the first electrode and the second electrode of the electrochromic element to dissolve the electrochromic material to switch to a light-transmissive state.
Dependencies are inferred from the claim text.