NOVELTY - A laminated film has a layer (L1) which is made of composition (C1) and polyester (40-69), and a layer (L2) which is provided with contact to the layer (L1). The compositions (C1,C2) each consists of inactive particles having preset average particle diameter. The polyester comprises naphthalene dicarboxylic acid and terephthalic acid as dicarboxylic acid component and ethylene glycol as a diol component.    USE - As reflecting plate for back light unit, liquid crystal display, as back sheet for solar cells (all claimed), as base material of acceptor sheet used for printing recording of paper such as card, label, seal, home delivery voucher, image receiving paper for video printers, inkjet, image receiving paper for barcode printers, poster, map, non-dust paper, display board, white board, thermal transfer, offset printing, telephone card, integrated circuit card.    ADVANTAGE - The laminated film has excellent light resistance and heat resistance, and high reflectance.    DETAILED DESCRIPTION - A laminated film has a layer (L1) which is made of composition (C1) which consists of inactive particles (in wt.%) (31-60) having average particle diameter of 0.3-3 microns, and polyester (40-69), and a layer (L2) which is provided with contact to the layer (L1). The polyester comprises naphthalene dicarboxylic acid (1-100 mol%) and terephthalic acid (0-99 mol%) as dicarboxylic acid component and ethylene glycol as a diol component. The layer (L2) is made of composition (C2) which consists of inactive particles (0-30) having average particle diameter of 0.3-3 microns, and polyester (70-100). The polyester comprises naphthalene dicarboxylic acid (3-20 mol%) and terephthalic acid (80-97 mol%) as dicarboxylic acid component and ethylene glycol as a diol component. INDEPENDENT CLAIMS are included for the following:    (1) backlight unit for liquid crystal display which is provided with the laminated film as a reflecting plate; and    (2) liquid crystal display which is provided with the laminated film as a reflecting plate.