Liquid crystal projector

A liquid crystal projector comprising at least an illumination unit, a liquid crystal panel unit, a projection lens unit, and a frame structure in which said units are contained in a manner allowing free removal of each unit;

• said liquid crystal panel unit including a liquid crystal cell and a polarizer being supported integratedly but separately by a liquid crystal panel unit support member in such a manner to enable their removal from said frame structure, said liquid crystal panel unit support member having a first support member and a second support member disposed oppositely to the first support member;
• a plurality of hooks and catches being provided respectively on said first and second support members in an opposing relationship, and said first and second support members being removably joined together by said hooks and catches to hold the liquid crystal cell securely;
• and
• at least one additional hook being provided on said first support member to support said polarizer separate from the liquid crystal cell.

A liquid crystal projector comprising at least an illumination unit, a liquid crystal panel unit, a projection lens unit, and a frame structure in which said units are contained in a manner allowing free removal of each unit;

• said liquid crystal panel unit including a liquid crystal cell, a first support member, and a second support member disposed oppositely to the first support member,
• a temperature detecting member, which detects the temperature of the liquid crystal cell, being provided in said liquid crystal panel unit;
• and
• the liquid crystal cell and temperature detecting member being supported by the first support member and the second support member.

A liquid crystal projector comprising at least an illumination unit, a liquid crystal panel unit, a projection lens unit, and a frame structure in which said units are contained in a manner allowing free removal;

• said liquid crystal panel unit including a liquid crystal cell and a polarizer being supported integratedly but separately by a liquid crystal panel unit support member to enable their removal from the frame structure, and a temperature detecting member which detects the temperature of the liquid crystal cell;
• said liquid crystal panel unit support member having a first support member and a second support member disposed oppositely to the first support member;
• a plurality of hooks and catches being provided respectively on said first and second support members in an opposing relationship, and said first and second support members being removably joined together by said hooks and catches to hold the liquid crystal cell securely;
• and
• at least one additional hook being provided on said first support member to support said polarizer separate from the liquid crystal cell.

A liquid crystal projector comprising at least an illumination unit, a liquid crystal panel unit, a projection lens unit, and a frame structure in which said units are contained in a manner allowing free removal;

• said liquid crystal panel unit including a liquid crystal cell and a polarizer being supported integratedly but separately by a liquid crystal panel unit support member to enable their removal from the frame structure, and a temperature detecting member which detects the temperature of the liquid crystal cell;
• said liquid crystal panel unit support member having a first support member and a second support member disposed oppositely to the first support member;
• a plurality of hooks and catches being provided respectively on said first and second support members in an opposing relationship, and said first and second support members being removably joined together by said hooks and catches to hold the liquid crystal cell securely;
• and
• at least one additional hook being provided on said second support member to support said polarizer separate from the liquid crystal cell.

A liquid crystal projector comprising at least an illumination unit, a liquid crystal panel unit, a projection lens unit, and a frame structure in which said units are contained in a manner allowing free removal of each unit;

• said illumination unit having an illumination source, a socket for supplying power to the illumination source, and a first illumination source supporting member;
• said first illumination source supporting member having an approximate "!"-shaped part, the upper end of the "!"-shaped part forming a first receiver projecting to the inner side thereof, and a center portion of the "!"-shaped part providing a socket mount;
• a contact terminal for the illumination source connected to the socket;
• said first receiver supporting a base of the illumination source at one location, and said first illumination source supporting member having a second receiver at another location opposed to the first receiver and supporting a reflection portion of the illumination source.

A liquid crystal projector comprising at least an illumination unit, a liquid crystal panel unit, a projection lens unit, and a frame structure in which said units are contained in a manner allowing free removal of each unit;

• said illumination unit having an illumination source, a socket for supplying power to the illumination source in order to drive the illumination source, a first illumination source supporting member having a set of supports opposed to each other across the illumination source, a second illumination source supporting member including elastic members connected at one end and opposed to each other across the illumination source;
• a contact terminal for the illumination source connected to the socket, and the socket being supported by the first illumination source supporting member;
• the first illumination supporting member including a receiver for supporting an outer surface of the illumination source;
• and
• the illumination unit being held securely to the open part of the receiver by the second illumination source supporting member including the elastic members.

A liquid crystal projector comprising at least an illumination unit, a liquid crystal panel unit, a projection lens unit, and a frame structure in which said units are contained in a manner allowing free removal of each unit;

• a filter consisting of a thermal absorption filter or an infrared absorption filter provided between the illumination unit and the liquid crystal panel;
• a second frame structure, said illumination unit and filter being installed in said second frame structure;
• and
• said second frame structure being housed within the frame structure.

A liquid crystal projector comprising at least an illumination unit, a liquid crystal panel unit, a projection lens unit, and a frame structure in which said units are contained in a manner allowing free removal of each unit;

• at least one opening being provided on said frame structure in order to separately access each said unit within the frame structure for mounting or removal;
• a cover to cover the opening;
• and
• coupling surfaces on the cover member and the frame structure, at least one coupling surface being formed as an uneven surface.

A liquid crystal projector comprising at least an illumination unit, a liquid crystal panel unit, a projection lens unit, and a frame structure in which said units are contained in a manner allowing free removal of each unit;

• said liquid crystal panel unit including a liquid crystal cell, and entrance-side polarizer, and an exit-side polarizer;
• said liquid crystal cell and at least one of said polarizers being supported integratedly but separately by a liquid crystal panel unit support member in such a manner to enable their removal from the frame structure;
• said liquid crystal panel unit support member including a first support member and a second support member disposed opposite to the first support member, said members being primary structural members of said liquid crystal panel unit support member;
• a plurality of hooks and catches being provided respectively on said first and second support members in an opposing relationship, and said first and second support members being removably joined together by said hooks and catches;
• and
• an additional coupling member having an elastic force for joining together said first and second support members.