Title:
HEAD-UP DISPLAY APPARATUS
Document Type and Number:
Japanese Patent JP2020042136
Kind Code:
A
Abstract:
To provide a head-up display apparatus that prevents ghost generated on a surface of a display screen, while arranging a drawing device at a position where it does not disturb a driver.SOLUTION: A head-up display apparatus 100 comprises: a drawing device 11a; and a first display screen 21 that reflects light from the drawing device 11a. On a cross section of orthogonal projection of light beams, of light emitted from the drawing device 11a, which are reflected on the first display screen and reach an eye box EB, when the width of the drawing device 11a is A, a use range on the first display screen 21 is B, and an angle formed by the first display screen 21 and a line connecting the center of the drawing device 11a and the center of the first display screen 21 is θ1, the following conditional expression (1) is satisfied. (1) A≥B sinθ1.SELECTED DRAWING: Figure 2
Inventors:
NOMURA EIJI
Application Number:
JP2018168817A
Publication Date:
March 19, 2020
Filing Date:
September 10, 2018
Export Citation:
Assignee:
KONICA MINOLTA INC
International Classes:
G02B27/01; B60K35/00; G02B3/08; G02B5/08; G02B5/10
Attorney, Agent or Firm:
Mitsuhiro Fukuda