DISPLAY UNIT FOR VEHICLE AND DISPLAY CONTROL UNIT

• US 20180253178A1
• Filed: 10/12/2015
• Published: 09/06/2018
• Est. Priority Date: 10/23/2014
• Status: Active Grant

• Current Assignee: DENSO Corporation
• Original Assignee: DENSO Corporation
• Inventors: UEYAMA, Kengo
• Granted Patent: US 10,139,955 B2
• Time in Patent Office: Days
• CPC Class Codes: B60K 2360/1438 Touch screens
• CPC Class Codes: B60K 35/10 Input arrangements, i.e. from user to vehicle, associated with vehicle functions or specially adapted therefor
• CPC Class Codes: G02F 1/13338 Input devices, e.g. touch panels
• CPC Class Codes: G06F 1/1626 with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
• CPC Class Codes: G06F 1/1632 External expansion units, e.g. docking stations
• CPC Class Codes: G06F 1/1656 Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories mounting of accessories to a computer display G06F1/1607; display hoods G06F1/1603; cooling arrangements for portable computers G06F1/203
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/0488 using a touch-screen or digitiser, e.g. input of commands through traced gestures

Abstract

A display unit for a vehicle includes: a display; a touch panel; a substrate mounting a main CPU that generates image data, a sub CPU that controls electric power supply, a display controller, and multiple external connectors for one external device; a plate that supports the substrate; and a housing that accommodates the display, the plate, and the substrate. The plate is arranged to face the display. The substrate is arranged on an opposite side to the display to face the plate. The plate has a base. The substrate includes a touch panel connector for a touch panel controller arranged on the base.

Claims

1. A display unit for a vehicle comprising:

a display having a display surface with a rectangular shape;

a touch panel stacked on the display surface;

a substrate with a rectangular shape, on which a main CPU that generates image data to be displayed on the display, a sub CPU that controls electric power supply in the display unit, a display controller that performs a drive control on the display based on the image data, and a plurality of external connectors used for electrical connection to at least one external device arranged outside the display unit, are mounted;

a plate that is a conductive plate member, and supports the substrate; and

a housing that accommodates the display, the plate, and the substrate so as to expose the display surface of the display,

the display unit for the vehicle mutually and communicably connected to the at least one external device and controlling a content to be displayed on the display based on a request from the at least one external device, wherein;

the plate is arranged on an opposite side to the display surface so as to face the display;

the substrate is arranged on an opposite side to the display with respect to the plate so as to face the plate;

the plate has a base extending to a direction of the substrate with a predetermined angle and disposed on an edge of the plate;

a touch panel controller for controlling a drive of the touch panel is arranged on the base; and

the substrate further includes a touch panel connector used for electrical connection between the touch panel controller and the substrate.

2. The display unit for vehicle according to claim 1, wherein:

the substrate has a component surface, on which the plurality of external connectors and the main CPU are disposed, as a surface opposite to a housing rear surface of the housing positioned on a rear side of the display surface;

the substrate has a solder surface, on which the sub CPU is disposed, as a rear surface opposite to the component surface and facing the plate;

the plurality of external connectors are arranged on a position of the component surface corresponding to a position of the vehicle, at which a cable for electrically connecting to the display unit extends from the at least one external device;

one of the plurality of external connectors has a power supply pin for connecting to a vehicle power source; and

the substrate further includes a power source circuit which is disposed on the component surface in a vicinity of the power supply pin, is connected to the power supply pin, and generates a voltage to be supplied to each element of the display unit.

3. The display unit for vehicle according to claim 2, wherein:

the plurality of external connectors are arranged along a right-left direction on an upper end of the component surface, which is positioned in an upper position in a case where the display unit for the vehicle is installed in the vehicle;

the power supply pin is arranged in one of the plurality of external connectors positioned at a right end of the plurality of external connectors; and

the power source circuit is arranged on a right end side of the component surface viewed from the plurality of external connectors.

4. The display unit for vehicle according to claim 3, wherein:

the substrate further includes a display connector that is disposed on a lower end of the component surface, is electrically connected to a cable extending from an edge of the display to a rear surface side of the display, and electrically connects between the display and the display controller; and

the display controller is arranged on a position of the solder surface corresponding to the rear side of the display connector.

5. The display unit for vehicle according to claim 3, further comprising:

an antenna that executes a short range wireless communication, and is disposed in the housing, wherein;

the substrate further includes a radio communication module that is electrically connected to the antenna, performs a processing for executing the short range wireless communication, and disposed on a position of the component surface close to the antenna; and

the substrate further includes a voice circuit that processes a voice signal input into and output from the radio communication module, and disposed on a position of the solder surface corresponding to the rear side of the radio communication module.

6. The display unit for vehicle according to claim 3, wherein:

the substrate further includes a memory slot, into which a removable storage medium is inserted, disposed on a lower end of the component surface; and

the substrate further includes at least one on-board contact (13B and 43C) that mechanically contacts the housing rear surface, electrically connects between the substrate and the housing rear surface, and is disposed adjacent to the memory slot.

7. The display unit for vehicle according to claim 3, wherein:

the substrate is fastened to the housing rear surface and the plate with a screw at four corners of the substrate;

the substrate is fixed to the plate with another screw at a center of the substrate; and

the substrate further includes an on-board contact that is mechanically contacts the housing rear surface, electrically connects between the substrate and the housing rear surface, and is disposed on the center of the component surface.

8. The display unit for vehicle according to claim 2, wherein:

an area of the substrate is smaller than an area of the display.

9. The display unit for vehicle according to claim 2, further comprising:

a fan that cools the substrate, and is disposed on a surface of the housing opposed to the component surface.

10. A display control unit connected to a user interface unit which includes:

a display having a display surface with a rectangular shape; and

a touch panel stacked on the display surface, mutually and communicably connected to at least one external device which is disposed outside the display control unit, and controlling a content to be displayed on the display based on a request from the at least one external device, the display control unit comprising;

a substrate with a rectangular shape, on which a main CPU that generates image data to be displayed on the display, a sub CPU that controls an electric power supply status in the display control unit, a display controller that performs a drive control on the display based on the image data, and a plurality of external connectors used for electrical connection to at least one external, are mounted; and

a plate that is a conductive plate member, and supports the substrate, wherein;

the substrate is arranged to face the plate with a predetermined distance;

the plate has a base extending to a direction toward the substrate with a predetermined angle, and disposed on an edge of the plate;

a touch panel controller for controlling a drive of the touch panel is arranged on the base; and

the substrate further includes a touch panel connector used for electrical connecting between the touch panel controller and the substrate.