KR20170068141A - Avn system for vehicle - Google Patents

Avn system for vehicle Download PDF

Info

Publication number
KR20170068141A
KR20170068141A KR1020150174996A KR20150174996A KR20170068141A KR 20170068141 A KR20170068141 A KR 20170068141A KR 1020150174996 A KR1020150174996 A KR 1020150174996A KR 20150174996 A KR20150174996 A KR 20150174996A KR 20170068141 A KR20170068141 A KR 20170068141A
Authority
KR
South Korea
Prior art keywords
display unit
vehicle
infrared
brightness
dimmer sensor
Prior art date
Application number
KR1020150174996A
Other languages
Korean (ko)
Inventor
봉지연
김종훈
Original Assignee
주식회사 서연전자
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 서연전자 filed Critical 주식회사 서연전자
Priority to KR1020150174996A priority Critical patent/KR20170068141A/en
Publication of KR20170068141A publication Critical patent/KR20170068141A/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
    • B60R2300/20—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of display used

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Navigation (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

The present invention relates to a vehicle comprising: a display unit provided in a vehicle; A control unit for controlling the display unit; A dimmer sensor for sensing the brightness of light around the display unit and controlling the brightness of the display unit screen; An infrared receiver for receiving an infrared signal from a remote controller for controlling the display unit and transmitting the infrared signal to the controller; To an AVN (Audio Video Navigation) system for a vehicle formed by an infrared ray filter unit for blocking infrared rays generated from a remote controller and preventing a malfunction of a dimmer sensor.

Description

AVN (Audio Video Navigation) System for Vehicle {AVN SYSTEM FOR VEHICLE}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to an AVN (Audio Video Navigation) system for a vehicle, and more particularly, to an AVN (Audio Video Navigation) system for a vehicle which can prevent malfunction of a dimmer sensor by blocking infrared rays generated around a dimmer sensor.

2. Description of the Related Art In general, an AVN (Audio Video Navigation) system for a vehicle is a multimedia system for a vehicle in which an audio system, a video system, and a navigation system are integrated into one unit. The development of the AVN system provides convenience to users in manipulating various multimedia devices and enables efficient utilization of the space inside the vehicle.

In general, an AVN (Audio Video Navigation) system for a vehicle outputs an image to a driver through a display unit such as an LCD (Liquid Crystal Display). Since an LCD has no self-emission power, a CCFL (Cold Cathode Fluorescent Lamp) Or a back light unit such as an LED (Light Emitting Diode) is positioned as a light source.

The brightness, darkness, and color of the screen are adjusted according to the degree of the light emitted from the backlight unit passing through the LCD. At this time, a dimmer sensor is provided on the display unit, and the dimmer sensor detects the brightness of the surroundings, thereby adjusting the brightness and darkness of the screen. That is, the dimmer sensor adjusts the brightness of the display unit to be dark when the ambient brightness is detected to be dark, and brightens the brightness of the display unit when the ambient brightness is sensed to be bright.

However, the display unit of the conventional AVN system is remotely controlled by the user directly touching the display unit or receiving an infrared signal transmitted from the remote controller, and a dimmer sensor provided in the display unit is controlled by the remote controller There is a problem that the brightness of the display unit is bright although the ambient brightness is affected by the infrared signal.

An object of the present invention is to provide an AVN (Audio Video Navigation) system for a vehicle.

And an infrared filter unit is provided between the dimmer sensor and the micom to prevent the malfunction of the dimmer sensor by blocking infrared rays generated in the vicinity of the dimmer sensor.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, an AVN (Audio Video Navigation) system for a vehicle according to an embodiment of the present invention includes: a display unit provided in a vehicle; A control unit for controlling the display unit; A dimmer sensor for sensing the brightness of light around the display unit and controlling the brightness of the display unit screen; An infrared receiver for receiving an infrared signal from a remote controller for controlling the display unit and transmitting the infrared signal to the controller; And an infrared ray filter unit for blocking infrared rays generated from the remote controller and preventing a malfunction of the dimmer sensor.

In addition, the control unit may include a micom for receiving the dimming signal from the dimmer sensor.

Also, the controller may receive the dimming signal from the microcomputer and adjust the luminance of the display unit screen.

The infrared filter unit may be provided between the dimmer sensor and the microcomputer to block infrared rays generated from the remote controller.

Further, the infrared receiver may be provided at one corner of the display unit, and the dimmer sensor may be provided at the other corner of the display unit.

The details of other embodiments are included in the detailed description and drawings.

According to the vehicle AVN (Audio Video Navigation) system of the present invention, one or more of the following effects can be obtained.

An infrared filter is provided between the dimmer sensor and the micom to cut off the infrared rays generated in the periphery of the dimmer sensor and to prevent the malfunction of the dimmer sensor caused by the influence of the infrared rays.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram illustrating AVN (Audio Video Navigation) for a vehicle according to the present invention; FIG.
2 is a diagram showing a configuration of an AVN (Audio Video Navigation) system for a vehicle according to the present invention.
FIG. 3 is a diagram showing a flow of luminance control in a vehicle AVN (Audio Video Navigation) system according to the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described with reference to the drawings for explaining an AVN (Audio Video Navigation) system for a vehicle according to embodiments of the present invention.

A preferred AVN (Audio Video Navigation) system for a vehicle can be changed by a person skilled in the art, and in the present embodiment is an AVN (Audio Video Navigation) system for a vehicle.

FIG. 1 is a block diagram illustrating a configuration of a vehicle AVN (Audio Video Navigation) system according to the present invention, and FIG. 2 is a diagram illustrating an infrared filter unit of a vehicle AVN (Audio Video Navigation) system according to the present invention.

1 and 2, an AVN (Audio Video Navigation) system for a vehicle according to an embodiment of the present invention includes a display unit 100 provided in a vehicle, a controller 200 for controlling the display unit 100, A dimmer sensor 110 for sensing the brightness of light around the display unit 100 to control the luminance of the display unit screen and a remote controller 300 for controlling the display unit 100, And an infrared ray filter unit 111 for blocking malfunction of the dimmer sensor 110 by blocking infrared rays generated from the remote controller 300. [

The display unit 100 is provided in a vehicle interior, and can be mounted on a dashboard of a vehicle or the like to provide various information to a passenger of the vehicle. The display unit 100 itself may provide content or information to the passenger or may be connected to other devices of the vehicle to provide content or information to the passenger. For example, a navigation screen, a picture, a moving picture, or a screen capable of operating the vehicle can be displayed. In addition, the display unit 100 may be connected to a speaker provided in the vehicle to reproduce music, or may be connected to a driving system or a control system of the vehicle to control the operation of the vehicle itself.

The display unit 100 may be a short-range wireless communication system using at least one of Bluetooth, ZigBee, IrDA, Wireless Lan, and Ultra-Wideband (UWB) Can be interlocked with the device.

The display unit 100 may be a touch screen capable of receiving a user's touch input on the entire surface or a part of the display unit 145. [ For example, by touching a function selection button displayed on the display unit 100, the function can be activated.

The display unit 100 displays a driving information image related to the driving of the vehicle using light emitted from a backlight unit (not shown) installed at the rear of the vehicle. The display unit 100 may include a liquid crystal display (LCD) on Silicon (LCoS) can be used. However, the configuration, material, and the like of the display unit 100 are not limited as long as the driving information image related to the driving of the vehicle can be expressed using light.

The display unit 100 may include a dimmer sensor 110 for dimming the illumination means mounted on the display unit 100 and may include an optical sensor (not shown) for dimming automatically.

The dimmer sensor 110 senses the brightness of light around the display unit 100 and generates a dimming signal to automatically control the brightness of the screen of the display unit 100. [

In general, in the case of an illumination device using an LED, a dimmer sensor 110 is used to convert an AC power according to a dimming signal to control the emission of the LED. The dimmer sensor 110 has a minimum It can have a minimum current specification to maintain current and on state.

The dimmer sensor 110 may adjust the brightness or color of the corresponding illumination by varying the waveform of the input power according to the dimming signal input by the user. The above-described input power source may be an AC power source.

The infrared filter unit 111 blocks infrared rays generated from the remote controller 300 that remotely controls the display unit 100 to prevent malfunction of the dimmer sensor 110. More specifically, the infrared filter unit 111 is provided between the dimmer sensor 110 and the microcomputer 210 to block infrared rays generated from the remote controller 300. It is possible to prevent a malfunction of the dimmer sensor 110 by blocking the infrared rays and prevent a change in brightness of the display unit 100. [

The infrared receiver 120 may receive the infrared signal from the remote controller 300 that controls the display unit 100 and may transmit the infrared signal to the controller 200. [

The infrared receiver 120 may be provided at one corner of the display unit 100 and the dimmer sensor 110 may be provided at the other corner of the display unit 100.

The infrared receiver 120 can control the display unit 100 by receiving an infrared signal from an external device capable of infrared communication (IrDA) as well as the remote controller 300. [

The control unit 200 may control the display unit 100. The control unit 200 may output a signal for controlling various operations of the display unit 100. [ In addition, a signal for controlling other devices operating in conjunction with the display unit 100 may be output.

The control unit 200 receives signals input from the remote controller 300 and can display various operations. The user can directly touch the display unit and receive various input signals to control the various kinds of signals.

The controller 200 can control the light source of the backlight unit 110 using a pulse width modulation (PWM) dimming method, an analog dimming method, and a frequency variable method. In this case, the PWM dimming method adjusts the pulse width of the signal, the analog dimming method adjusts the pulse height of the signal, the frequency variable method fixes the turn-on time of the pulse of the signal and adjusts the turn-off time The brightness of the light irradiated by the light source can be controlled.

The controller 200 may include a microcomputer 210 receiving a dimming signal from the dimmer sensor 100. That is, the controller 200 receives the dimming signal from the microcomputer 210 and adjusts the brightness of the screen of the display unit 100 by adjusting the AC power level based on the dimming signal.

According to a preferred embodiment of the AVN (Audio Video Navigation) system for vehicles according to the present invention configured as described above, an infrared filter is provided between the dimmer sensor and the microcomputer to block infrared rays generated in the periphery of the dimmer sensor, It is possible to create an advantage that a malfunction of the dimmer sensor caused by the influence of the damper sensor can be prevented.

The AVN (Audio Video Navigation) system according to an embodiment of the present invention is not limited to the configuration and method of the embodiments described above, but the embodiments can be applied to all or part of the embodiments so that various modifications can be made. Some of which may be selectively combined.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the present invention.

<Detailed Description of Main Drawings>
100: display unit 110: dimmer sensor
200: control unit 210:
300: remote controller

Claims (5)

A display unit provided in a vehicle interior;
A control unit for controlling the display unit;
A dimmer sensor for sensing the brightness of light around the display unit and controlling the brightness of the display unit screen;
An infrared receiver for receiving an infrared signal from a remote controller for controlling the display unit and transmitting the infrared signal to the controller;
And an infrared filter unit for blocking infrared rays generated from the remote controller and preventing a malfunction of the dimmer sensor.
The method according to claim 1,
Wherein the controller includes a microcomputer for receiving a dimming signal from the dimmer sensor.
3. The method of claim 2,
Wherein the control unit receives the dimming signal from the microcomputer and adjusts the brightness of the display unit screen.
3. The method of claim 2,
The infrared filter unit is provided between the dimmer sensor and the microcomputer to block infrared rays generated from the remote controller.
The method according to claim 1,
The infrared receiver is provided at one corner of the display unit, and the dimmer sensor is provided at the other corner of the display unit.
KR1020150174996A 2015-12-09 2015-12-09 Avn system for vehicle KR20170068141A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150174996A KR20170068141A (en) 2015-12-09 2015-12-09 Avn system for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150174996A KR20170068141A (en) 2015-12-09 2015-12-09 Avn system for vehicle

Publications (1)

Publication Number Publication Date
KR20170068141A true KR20170068141A (en) 2017-06-19

Family

ID=59279088

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150174996A KR20170068141A (en) 2015-12-09 2015-12-09 Avn system for vehicle

Country Status (1)

Country Link
KR (1) KR20170068141A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190007972A (en) * 2017-07-14 2019-01-23 김영제 A bus multimedia player

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190007972A (en) * 2017-07-14 2019-01-23 김영제 A bus multimedia player

Similar Documents

Publication Publication Date Title
US7081721B2 (en) Projection type video display apparatus
US7397021B2 (en) Device having optical sensor
US10685608B2 (en) Display device and displaying method
US20110216049A1 (en) Visible light communication apparatus and method
EP2506686A2 (en) Illumination lighting apparatus and method of controlling illumination
JP2010191288A (en) Display control device
US8723448B2 (en) System, method and apparatus for brightness adjusting of an illuminated logo
KR20130012996A (en) Dimming-controllable led lighting system using smartphone and method using the same
US5210467A (en) Illumination control circuit using a photoreceptor built-in a remote control device
JP2003257694A (en) Brightness control device, liquid crystal display, and brightness control method
KR20150116945A (en) Led light apparatus for variable controlling illuminance and the control method thereof
KR20150079007A (en) Head up display apparatus and method for adjusting brightness of backlight unit
KR20170068141A (en) Avn system for vehicle
CN205334096U (en) Control panel
WO2009001668A1 (en) Backlight control device and display device equpped with the same
US20060284824A1 (en) Luminance auto-adjustment for displays
US20120054621A1 (en) Audio feedback and dependency on light functionality and setting
JP5585429B2 (en) Display device
KR20180001738U (en) Light photo frame
JP2010271439A (en) Display device for vehicle
KR20100129851A (en) Apparatus and method led control on car
TWI473054B (en) Light source control system and method and backlight module
JP4002491B2 (en) Remote control transmitter for lighting
JP6186686B2 (en) Display device, projection device, display method, and program
KR20080000058A (en) Auto brightness control method for liquid crystal display