Vehicle display apparatus

A display apparatus for use in a vehicle comprising:

• a liquid crystal panel capable of displaying an image in a vehicle, wherein the liquid crystal panel includes a meter display pixel that displays a meter image to represent a vehicle condition value and a warning display pixel that displays a warning image;
• an illumination unit capable of lighting the liquid crystal panel by emitting light;
• an input unit capable of accepting an input from an occupant of the vehicle, wherein the input unit receives the input of an adjustment value for controlling brightness of the image including the meter image and the warning image;
• and
• a control unit capable of controlling the liquid crystal panel and the illumination unit, wherein the control unit changes both of a meter display gradation ratio and a warning display gradation ratio according to the adjustment value so that the warning display gradation value is greater than the meter display gradation value when the meter display gradation ratio is defined as a ratio of the gradation value of the meter display pixel to a predetermined gradation value and the warning display gradation ratio is defined as a ratio of the gradation value of the warning display pixel to a predetermined gradation value;
• wherein
• the control unit includes a correlation information storage capable of storing correlation information that represents correlation between the adjustment value and both of the meter display gradation ratio and the warning display gradation ratio and a gradation ratio control unit capable of controlling the meter display gradation ratio and the warning display gradation ratio according to the correlation information stored in the correlation information storage;
• the correlation information represents a decreasing correlation trend between the adjustment value and both of the meter display gradation ratio and the warning display gradation ratio;
• the meter display gradation ratio and the warning display gradation ratio start decreasing from a same ratio;
• the warning display gradation ratio is greater than the meter display gradation ratio in the decreasing correlation trend;
• the decreasing correlation trend is a linear decrease from the same ratio for both of the meter display gradation ratio and the warning display gradation ratio;
• and
• a ratio of the linear decrease is smaller in the warning display gradation ratio than in the meter display gradation ratio.

A display apparatus for use in a vehicle comprising:

• a liquid crystal panel capable of displaying an image in a vehicle, wherein the liquid crystal panel includes a meter display pixel that displays a meter image to represent a vehicle condition value and a warning display pixel that displays a warning image;
• an illumination unit capable of lighting the liquid crystal panel by emitting light;
• an input unit capable of accepting an input from an occupant of the vehicle, wherein the input unit receives the input of an adjustment value for controlling brightness of the image including the meter image and the warning image;
• and
• a control unit capable of controlling the liquid crystal panel and the illumination unit, wherein the control unit changes both of a meter display gradation ratio and a warning display gradation ratio according to the adjustment value so that the warning display gradation value is greater than the meter display gradation value when the meter display gradation ratio is defined as a ratio of the gradation value of the meter display pixel to a predetermined gradation value and the warning display gradation ratio is defined as a ratio of the gradation value of the warning display pixel to a predetermined gradation value;
• wherein
• the control unit includes a correlation information storage capable of storing correlation information that represents correlation between the adjustment value and both of the meter display gradation ratio and the warning display gradation ratio and a gradation ratio control unit capable of controlling the meter display gradation ratio and the warning display gradation ratio according to the correlation information stored in the correlation information storage;
• the correlation information represents a decreasing correlation trend between the adjustment value and both of the both of the meter display gradation ratio and the warning display gradation ratio;
• the meter display gradation ratio and the warning display gradation ratio start decreasing from respective standard ratios;
• the standard ratio of the warning display gradation ratio is greater than the standard ratio of the meter display gradation ratio;
• the decreasing correlation trend is a linear decrease from the respective standard ratio for the meter display gradation ratio and the warning display gradation ratios;
• and
• a ratio of the linear decrease is smaller in the warning display gradation ratio than in the meter display gradation ratio.

A display apparatus for use in a vehicle comprising:

• a liquid crystal panel capable of displaying an image in a vehicle, wherein the liquid crystal panel includes a meter display pixel that displays a meter image to represent a vehicle condition value and a warning display pixel that displays a warning image;
• an illumination unit capable of lighting the liquid crystal panel by emitting light, wherein the illumination unit includes a meter light that emits light for lighting the meter image and a warning light that emits light for lighting the warning image;
• an input unit capable of accepting an input from an occupant of the vehicle, wherein the input unit receives the input of an adjustment value for controlling brightness of the image including the meter image and the warning image;
• and
• a control unit capable of controlling the liquid crystal panel and the illumination unit,
• wherein the control unit changes both of a meter light brightness and a warning light brightness according to the adjustment value so that the warning light brightness is greater than the meter light brightness when the meter light brightness is defined as brightness of the light from the meter light and the warning light brightness is defined as brightness of the light from the warning light,
• the control unit includes
• a correlation information storage unit for storing correlation information that represents correlation of the meter light brightness and the warning light brightness, wherein when the warning light brightness and the meter light brightness initially have same brightness or respectively different brightness, the correlation information defines the warning light brightness as being greater than the meter light brightness according to the adjustment value, and
• a light brightness adjustment unit for adjusting the meter light brightness and the warning light brightness according to the stored correlation information in the correlation information storage unit, and
• wherein when the meter image and the warning display are displayed at the same time, the correlation information defines a correlation of brightness decrease of both the meter light brightness and the warning light brightness, and the light brightness adjustment unit adjusts the meter light brightness and the warning light brightness according to the correlation information so that the warning light brightness is greater than the meter light brightness regardless of whether the warning light brightness and the meter light brightness initially have same brightness or respectively different brightness.

A display apparatus for use in a vehicle comprising:

• a liquid crystal panel capable of displaying an image in a vehicle, wherein the liquid crystal panel includes a meter display pixel that displays a meter image to represent a vehicle condition value and a warning display pixel that displays a warning image;
• an illumination unit capable of lighting the liquid crystal panel by emitting light, wherein the illumination unit includes a meter light that emits light for lighting the meter image and a warning light that emits light for lighting the warning mage;
• an input unit capable of accepting an input from an occupant of the vehicle, wherein the input unit receives the input of an adjustment value for controlling brightness of the image including the meter image and the warning image;
• and
• a control unit capable of controlling the liquid crystal panel and the illumination unit, wherein:
• the control unit changes both of a meter light brightness and a warning light brightness according to the adjustment value so that the warning light brightness is greater than the meter light brightness when the meter light brightness is defined as brightness of the light from the meter light and the warning light brightness is defined as brightness of the light from the warning light;
• the control unit includes a correlation information storage capable of storing correlation information that represents correlation between the adjustment value and both of the meter light brightness and the warning light brightness and a lighting brightness control unit capable of controlling the meter light brightness and the warning light brightness according to the correlation information stored in the correlation information storage;
• the correlation information represents a decreasing correlation trend between the adjustment value and both of the meter light brightness and the warning light brightness, the meter light brightness and the warning light brightness start decreasing from same brightness, and the warning light brightness is greater than the meter light brightness in the decreasing correlation trend;
• and
• the decreasing correlation trend is a linear decrease from the same brightness for both of the meter light brightness and the warning light brightness, and a ratio of the linear decrease is smaller in the warning light brightness than in the meter light brightness.

A display apparatus for use in a vehicle comprising:

• a liquid crystal panel capable of displaying an image in a vehicle, wherein the liquid crystal panel includes a meter display pixel that displays a meter image to represent a vehicle condition value and a warning display pixel that displays a warning image;
• an illumination unit capable of lighting the liquid crystal panel by emitting light, wherein the illumination unit includes a meter light that emits light for lighting the meter image and a warning light that emits light for lighting the warning image;
• an input unit capable of accepting an input from an occupant of the vehicle, wherein the input unit receives the input of an adjustment value for controlling brightness of the image including the meter image and the warning image;
• and
• a control unit capable of controlling the liquid crystal panel and the illumination unit, wherein:
• the control unit changes both of a meter light brightness and a warning light brightness according to the adjustment value so that the warning light brightness is greater than the meter light brightness when the meter light brightness is defined as brightness of the light from the meter light and the warning light brightness is defined as brightness of the light from the warning light;
• the control unit includes a correlation information storage capable of storing correlation information that represents correlation between the adjustment value and both of the meter light brightness and the warning light brightness and a lighting brightness control unit capable of controlling the meter light brightness and the warning light brightness according to the correlation information stored in the correlation information storage;
• the correlation information represents a decreasing correlation trend between the adjustment value and both of the both of the meter light brightness and the warning light brightness;
• the meter light brightness and the warning light brightness start decreasing from respective standard brightness;
• the standard brightness of the warning light brightness is greater than the standard brightness of the meter light brightness;
• the decreasing correlation trend is a linear decrease from the respective standard brightness for the meter light brightness and the warning light brightness;
• and
• a ratio of the linear decrease is smaller in the warning light brightness than in the meter light brightness.