An optical sheet retaining tool for a liquid crystal display device is provided, the tool being of a simple structure and low in cost, and operations for assembling and disassembling the display device can be performed easily.
The optical sheet retaining tool includes a first retaining piece 21 having a first retaining part 211 made of a soft material for retaining an optical sheet 13 for a liquid crystal display device, a second retaining piece 22 having a second retaining part 221 made of a soft material capable of being arranged in opposition to the first retaining part, for gripping and retaining the optical sheet in cooperation with the first retaining part, a latching section 24 for latching the first retaining part and the second retaining part under a state in which the optical sheet is gripped therebetween, a fixing section 24 for retaining and fixing the first retaining piece and the second retaining piece to a chassis 1 of the liquid crystal display device, and a bearing section 23 disposed on at least one of the first retaining piece and the second retaining piece, and serving as a bearing for gripping the optical sheet.