A mobile phone is provided which includes a liquid crystal display device in which a front window and a touch panel are bonded together with an adhesive sheet, wherein a logo having plural layers is formed on a back side of the front window. A touch-panel flexible wiring substrate is mounted to the touch panel, A plane distance between an end portion of the plural layers of the logo and an end portion of the touch panel is set to greater than zero. With this configuration, it is possible to prevent a peeling stress on the adhesive sheet, even if a thickness of the adhesive sheet is smaller than the sum of a thickness of the touch-panel flexible wiring substrate and a thickness of the logo.

A display substrate, a display panel, a display device and a manufacturing method thereof are provided. The display substrate includes a display area and a non-display area. The display substrate further includes a base substrate; and a color resist layer and a light reflecting layer sequentially arranged on the non-display area of a first surface of the base substrate, wherein the first surface and a second surface of the base substrate are two surfaces opposite to each other and the second surface is located at a light exiting side of the display substrate.

A method is disclosed for authenticating a product. The method comprises: receiving a verification code associated with the product; applying an electric field to a liquid crystal device (100) located in or on the product, the liquid crystal device (100) comprising: a first substrate (105); a second substrate (110) spaced apart from the first substrate (105); a liquid crystal composition (115) located between the first substrate (105) and the second substrate (110); wherein the liquid crystal composition (115) comprises one or more regions (120) of polymerised liquid crystal composition; and a first electrode (125) and a second electrode (130) configured to apply the electric field; comparing a display output by the liquid crystal device (100) in response to the application of the electric field to the verification code associated with the product; wherein, if the display output by the liquid crystal device (100) matches the verification code associated with the product, the product is authenticated.

The present disclosure relates to a color film substrate, a display panel and a method for detecting a display panel. The CF substrate includes a display region and a peripheral region corresponding to a dummy pixel region around the display region. A black matrix of the color filter substrate includes a light transmitting section in a portion of the peripheral region corresponding to a dummy pixel unit. The light transmitting section includes a first set of light transmitting sections and a second set of light transmitting sections. Each of the first and second set of light transmitting sections is respectively in a portion that extends along a first side and a second side which is opposite to the first side of the display region and corresponds to the dummy pixel unit.

The disclosure provides a collage display panel, including a first display panel and a second display panel which are spliced to each other. A side of a bonding region of the collage display panel is provided with a first alignment mark which is used as a standard line for detecting printing accuracy of a first metal line, thereby improving production yield, reducing risks, and preventing a problem of low image quality. Furthermore, both sides of the bonding region may be provided with an alignment mark, which can more concisely detect printing accuracy of the first metal line.

A liquid crystal display device, the display device including: two facing transparent substrates designated respectively front substrate and rear substrate, the front substrate being same disposed on the observer side, the front and rear substrates being provided on the inner faces thereof with transparent structured electrodes whereof the superposition defines shape pixels switchable between two optical states, the electrodes being connected to a voltage source via a control circuit, forming a cell closed by a sealing frame for receiving in the spaced delimited by the substrates and the sealing frame a liquid crystal composition; and a decorative pattern in direct contact with the front substrate or the rear substrate.

The present disclosure relates to a color film substrate, a display panel and a method for detecting a display panel. The CF substrate includes a display region and a peripheral region corresponding to a dummy pixel region around the display region. A black matrix of the color filter substrate includes a light transmitting section in a portion of the peripheral region corresponding to a dummy pixel unit. The light transmitting section includes a first set of light transmitting sections and a second set of light transmitting sections. Each of the first and second set of light transmitting sections is respectively in a portion that extends along a first side and a second side which is opposite to the first side of the display region and corresponds to the dummy pixel unit.

The present invention provides a substrate and a method for monitoring positions of boundaries of a film layer disposed on a substrate. A plurality of sets of positioning units are provided in a non-display region of the substrate. Each set of the positioning units includes at least two primary positioning marks and corresponding primary positioning rulers. There are at least two secondary positioning marks and corresponding secondary positioning rulers disposed between the two adjacent primary positioning marks. The present invention determines a specific position of the boundaries of the film layer according to readings of the positioning rulers of the plurality of sets of positioning units corresponding to the boundaries of the film layer.

A display device includes: a substrate including an alignment area in a non-display area, and a display area including a plurality of material layers on the substrate; in the alignment area, a plurality of keys including a first alignment key and a second alignment key. Each alignment key includes a light blocking pattern, a layer pattern and a display pattern. The position of the display pattern within the first alignment key is different from the position of the display pattern within the second alignment key, the layer pattern of the alignment key and one material layer among the plurality of material layers are respective portions of a same material layer on the substrate, and the layer pattern of the first alignment key and the layer pattern of the second alignment key are respective portions of different material layers among the plurality of material layers on the substrate.

A display device according to an embodiment includes: a display panel; a first pad portion disposed on a lateral side of the display panel; and an information code disposed on the lateral side of the display panel.