# US 2019/0375673 A1 · Vehicle mounted display device

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2019/0375673 A1
- Document ID: US20190375673A1
- Status: Published application
- Kind: A1
- Application number: 16/545,241
- Filed: 2019-08-20
- Published: 2019-12-12
- Earliest claimed: 2015-06-05
- Assignees: AGC Inc.
- Applicants: AGC Inc.
- Inventors: Kyohei HASHIMOTO; Atsushi INOUE; Yasuhiro INOUE; Yasumasa KATO; Yasuji FUKASAWA; Yusuke KOBAYASHI; Masaaki KONISHI
- Web page: https://patentgrep.com/patent/US20190375673A1

## CPC

- C03C 3/087: containing calcium oxide, e.g. common sheet or container glass
- B32B 7/12: using interposed adhesives or interposed materials with bonding properties
- B32B 17/06: comprising glass as the main or only constituent of a layer, next to another layer of a specific {material}
- B60K 35/10: Input arrangements, i.e. from user to vehicle, associated with vehicle functions or specially adapted therefor
- B60K 35/22: Display screens
- B60K 35/50: Instruments characterised by their means of attachment to or integration in the vehicle (B60K35/231 takes precedence)
- B60K 35/60: Instruments characterised by their location or relative disposition in or on vehicles (arrangements of lighting devices on dashboards B60Q3/10)
- C03C 3/076: with 40% to 90% silica, by weight {(C03C3/045 takes precedence)}
- C03C 3/093: containing zinc or zirconium
- G02F 1/133308: {Support structures for LCD panels, e.g. frames or bezels}
- B60K 2360/343: Illumination of matrix displays
- B60K 2360/652: Crash protection features
- B60K 2360/693: Cover plate features
- C03C 21/002: {to perform ion-exchange between alkali ions (C03C21/005 takes precedence)}
- G02F 1/133331: {Cover glasses}
- G02F 2201/503: Arrangements improving the resistance to shock
- C03C: CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS

## Abstract

The present invention relates to a vehicle-mounted display device disposed in an interior member of a vehicle. The vehicle-mounted display device of the invention includes: a display panel; a cover glass covering the display panel; a housing accommodating the display panel; and a holding portion holding a position of the housing, in which the cover glass is a tempered glass having a thickness being 0.5 to 2.5 mm, a thickness of a compressive stress layer being 10 μm or more, and a surface compressive stress of the compressive stress layer being 650 MPa or higher, and when the thickness (unit: mm) of the cover glass is represented by x and an energy absorption rate (unit: %) of the holding portion is represented by y, Expression (1) is satisfied, and impact resistance of the cover glass is excellent:

## Claims

### Claim 1

A vehicle-mounted display device that is disposed in an interior member of a vehicle, the vehicle-mounted display device comprising:
a display panel;
a cover glass that covers the display panel;
a housing that accommodates the display panel; and
a holding portion that holds a position of the housing,
wherein the cover glass is a tempered glass having a thickness being from 0.5 to 2.5 mm, and a thickness of a compressive stress layer being 10 μm or more.

### Claim 2 (depends on 1)

The vehicle-mounted display device according to claim 1,
wherein the holding portion comprises:
an impact absorbing portion that has impact absorbability and is disposed on a back surface side of the housing; and
a fixing portion that fixes the position of the housing.

### Claim 3 (depends on 1)

The vehicle-mounted display device according to claim 1,
wherein the cover glass is a soda-lime glass or an aluminosilicate glass.

### Claim 4 (depends on 1)

The vehicle-mounted display device according to claim 1,
wherein the cover glass comprises, indicated by mol %, from 50 to 80% of SiO2, from 1 to 20% of Al2O3, from 6 to 20% of Na2O, from 0 to 11% of K2O, from 0 to 15% of MgO, from 0 to 6% of CaO, and from 0 to 5% of ZrO2.

### Claim 5 (depends on 2)

The vehicle-mounted display device according to claim 2,
wherein the impact absorbing portion is a cushioning material, a honeycomb mechanism, a rotation mechanism, or a sliding mechanism.

### Claim 6 (depends on 2)

The vehicle-mounted display device according to claim 2,
wherein a material of the fixing portion is a metal.

### Claim 7 (depends on 2)

The vehicle-mounted display device according to claim 2,
wherein the fixing portion has an L-shape or a corrugated L-shape in cross-section.

### Claim 8 (depends on 2)

The vehicle-mounted display device according to claim 2,
wherein the fixing portion and the housing are joined through a bolt.

### Claim 9 (depends on 1)

The vehicle-mounted display device according to claim 1, further comprising a light shielding portion formed on a peripheral portion of the cover glass.

### Claim 10 (depends on 1)

The vehicle-mounted display device according to claim 1,
wherein the display panel and the cover glass are bonded to each other through an adhesive layer.

### Claim 11 (depends on 10)

The vehicle-mounted display device according to claim 10,
wherein the adhesive layer has a thickness of from 5 to 400 μm.

### Claim 12 (depends on 10)

The vehicle-mounted display device according to claim 10,
wherein the adhesive layer has a storage shear modulus of from 5 kPa to 5 MPa.

### Claim 13 (depends on 1)

The vehicle-mounted display device according to claim 1,
wherein the cover glass is bonded to a top surface of a housing frame of the housing through a double-sided tape.

### Claim 14 (depends on 1)

The vehicle-mounted display device according to claim 1,
wherein the display panel is a liquid crystal panel, an organic EL panel, a PDP, or an electronic ink panel.

### Claim 15 (depends on 1)

The vehicle-mounted display device according to claim 1, which is an embedded type or a standing type.

### Claim 16 (depends on 9)

The vehicle-mounted display device according to claim 9,
wherein the shielding portion has a frame shape.

### Claim 17 (depends on 1)

The vehicle-mounted display device according to claim 1, further comprising a backlight unit between the display panel and a bottom plate of the housing.

### Claim 18 (depends on 1)

A vehicle comprising the vehicle-mounted display device as described in claim 1.
