Display device and mirror device
US-2021405445-A1 · Dec 30, 2021 · US
Electrooptical device and illumination device
US12242160B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12242160-B2 |
| Application number | US-202318370996-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 21, 2023 |
| Priority date | Sep 28, 2022 |
| Publication date | Mar 4, 2025 |
| Grant date | Mar 4, 2025 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
An electrooptical device includes a first substrate, a first electrode disposed on the first substrate, a second substrate facing the first substrate, a second electrode disposed on the second substrate, and a liquid crystal layer positioned between the first substrate and the second substrate. The first substrate includes a first terminal, a second terminal, a first conductive portion electrically coupled to the first terminal, and a second conductive portion electrically coupled to the second terminal, the second substrate includes a third conductive portion electrically coupled to the second electrode, and a fourth conductive portion electrically coupled to the third conductive portion, and the electrooptical device further includes a first coupling member electrically coupling the first conductive portion and the third conductive portion, and a second coupling member electrically coupling the second conductive portion and the fourth conductive portion.
First claim
Opening claim text (preview).
What is claimed is: 1. An electrooptical device comprising: a first substrate; a first electrode disposed on the first substrate; a second substrate facing the first substrate; a second electrode disposed on the second substrate; and a liquid crystal layer positioned between the first substrate and the second substrate, wherein the first substrate includes a first terminal, a second terminal, a first conductive portion electrically coupled to the first terminal, a second conductive portion electrically coupled to the second terminal, a third terminal electrically coupled to the first terminal through the first conductive portion, a fourth terminal, and a fifth conductive portion electrically coupled to the fourth terminal, the second substrate includes a third conductive portion electrically coupled to the second electrode, and a fourth conductive portion electrically coupled to the third conductive portion, a sixth conductive portion electrically coupled to the third conductive portion, and the electrooptical device further includes a first coupling member electrically coupling the first conductive portion and the third conductive portion, a second coupling member electrically coupling the second conductive portion and the fourth conductive portion a third coupling member electrically coupling the fifth conductive portion and the sixth conductive portion. 2. The electrooptical device according to claim 1 , wherein the first substrate further includes a first terminal group including the first terminal and the second terminal, and a second terminal group including the third terminal and the fourth terminal. 3. An electrooptical device comprising: a first substrate; a first electrode disposed on the first substrate; a second substrate facing the first substrate; a second electrode disposed on the second substrate; a liquid crystal layer positioned between the first substrate and the second substrate; and a first discharge resistor, wherein the first substrate includes a first terminal, a second terminal, a first conductive portion electrically coupled to the first terminal, a second conductive portion electrically coupled to the second terminal, the second substrate includes a third conductive portion electrically coupled to the second electrode, and a fourth conductive portion electrically coupled to the third conductive portion, and the electrooptical device further includes a first coupling member electrically coupling the first conductive portion and the third conductive portion, and a second coupling member electrically coupling the second conductive portion and the fourth conductive portion, and the first electrode and the second electrode are electrically coupled to each other through the first discharge resistor. 4. The electrooptical device according to claim 3 , wherein the first substrate further includes a seventh conductive portion electrically coupled to the first electrode, the second substrate further includes an eighth conductive portion electrically coupled to the seventh conductive portion, the first discharge resistor is disposed on the second substrate, and the eighth conductive portion is electrically coupled to the second electrode through the first discharge resistor. 5. An electrooptical device comprising: a first substrate; a first electrode disposed on the first substrate; a second substrate facing the first substrate; a second electrode disposed on the second substrate; a liquid crystal layer positioned between the first substrate and the second substrate; a second discharge resistor; and a third electrode disposed on the first substrate, wherein the first substrate includes a first terminal, a second terminal, a first conductive portion electrically coupled to the first terminal, a second conductive portion electrically coupled to the second terminal, the second substrate includes a third conductive portion electrically coupled to the second electrode, and a fourth conductive portion electrically coupled to the third conductive portion, and the electrooptical device further includes a first coupling member electrically coupling the first conductive portion and the third conductive portion, and a second coupling member electrically coupling the second conductive portion and the fourth conductive portion, and the first electrode and the third electrode are electrically coupled to each other through the second discharge resistor. 6. The electrooptical device according to claim 5 , wherein the first substrate further includes a seventh conductive portion electrically coupled to the first electrode, and a ninth conductive portion electrically coupled to the third electrode, the second substrate further includes an eighth conductive portion electrically coupled to the seventh conductive portion, and a tenth conductive portion electrically coupled to the ninth conductive portion, the second discharge resistor is disposed on the second substrate, and the tenth conductive portion is electrically coupled to the eighth conductive portion through the second discharge resistor. 7. An illumination device comprising: the electrooptical device according to claim 1 ; and a light source configured to emit light toward the electrooptical device. 8. An illumination device comprising: the electrooptical device according to claim 3 ; and a light source configured to emit light toward the electrooptical device. 9. An illumination device comprising: the electrooptical device according to claim 5 ; and a light source configured to emit light toward the electrooptical device.
Assignees
Inventors
Classifications
- G02F1/1345Primary
Conductors connecting electrodes to cell terminals · CPC title
- G02F1/13471Primary
in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells (G02F1/13475 takes precedence) · CPC title
Patent family
Related publications grouped by family.
External sources
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US12242160B2 cover?
- An electrooptical device includes a first substrate, a first electrode disposed on the first substrate, a second substrate facing the first substrate, a second electrode disposed on the second substrate, and a liquid crystal layer positioned between the first substrate and the second substrate. The first substrate includes a first terminal, a second terminal, a first conductive portion electric…
- Who is the assignee on this patent?
- Japan Display Inc
- What technology area does this patent fall under?
- Primary CPC classification G02F1/1345. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Mar 04 2025 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).