XINGLIGHT Digital Tube: Solving the Challenges of Scattered Selection, Chaotic Driving, and Difficult Production Line Adaptation

In the selection process for digital tubes and dot-matrix LEDs, engineers and procurement personnel often face practical challenges that are not about "whose parameters are higher," but rather "whose solution minimizes project detours"—Can colors be matched in one go? Is the driver architecture compatible with existing circuits? Does the production line need re-tuning for different sizes?

These issues may seem trivial, but they directly impact BOM management efficiency, R&D adaptation cycles, and mass production first-pass yield.

Based on this real-world observation, Chengxing Optoelectronics has launched a new series of digital tube products. By addressing multi-dimensional needs such as segment-based multi-color displays, tiered size layouts for dot matrices, compatibility with both common-cathode and common-anode dual-driver architectures, plug-in multi-digit combinations, and SMT-compatible automated production lines, we have built a complete display device product matrix.

Its core value lies not in pursuing extreme breakthroughs in specific metrics, but in helping customers reduce selection complexity, improve production line adaptation efficiency, and effectively shorten project implementation cycles through systematic product planning.

1. XL-DC10 Segment Series: Unified Six-Color Parameters for Hassle-Free BOM Management

Segment digital tubes are widely used in home appliances, medical devices, and industrial control equipment. However, different projects have varying color requirements. The traditional approach involves using different suppliers, specifications, and electrical parameters for each color, leading to fragmented procurement and complex material preparation.

Smart Home Appliance Application Scenario

Industrial Control Equipment Application Scenario

The XL-DC10 series offers a unified framework with a standard 1-inch character height and high-contrast black panels, providing six colors—red, standard green, emerald green, blue, white, and yellow—all utilizing common-cathode drivers.

The actual value is reflected in two aspects:

1. Comprehensive Color Range: Meets multi-project needs at once. The six colors cover mainstream application scenarios, allowing purchasers to select components for multiple projects within a single model system. This reduces cross-supplier communication costs, and stable mass production supply facilitates bulk price negotiations.

2. Unified Electrical Parameters: Reusable Driver Circuits. Across the entire series, forward voltage and luminous intensity are highly consistent under 20mA conditions. A single driver solution adapts to different colors, reducing the variety of BOM materials and simplifying inventory and material preparation management.

Applicable Project Directions:


2. Dot Matrix Series: Four Tiered Sizes Covering Both Common-Cathode and Common-Anode Drivers

Dot matrix digital tubes are used for flexible display of numbers, letters, and custom symbols. Different devices have significant variations in size and driving method requirements. Chengxing Optoelectronics simultaneously launched the XL-ADZ common-cathode series and the XL-BDZ common-anode series, covering four sizes: 757, 788, 1088, and 1508.

The combined advantage lies in "no compromise":

1. Tiered Size Coverage: The four sizes correspond to different installation space needs, such as compact, medium, and long-distance viewing. With the same series, driver architecture, and luminous color, there is no need for cross-brand comparison.

2. Parallel Common-Cathode and Common-Anode Options: Whether the existing driver circuit is common-cathode or common-anode, full-size matching products are available without sacrificing size or performance for the driver architecture. The typical luminous intensity across the series is 720mcd, with maximum power consumption of only 50mW. Unified electrical parameters reduce R&D adaptation and material preparation complexity.

Applicable Project Directions:



3. SMD Digital Tubes: Dual Character Heights (0.2/0.39 Inches) – High-Density Solution for SMT Production Lines

Addressing the needs of automated SMT production lines, Chengxing Optoelectronics launched the XL-SA (common-cathode)/XL-SB (common-anode) SMD segment digital tube series. It offers two character height specifications—0.2 inches and 0.39 inches—with coverage from 1 to 4 digits for each spec, totaling 16 standard models.

Uniformly Anchored Electrical and Process Standards:

Under 20mA test conditions, the SMD series features a typical forward voltage of 1.8-2.4V, typical luminous intensity of 100mcd, wavelength of 620nm, and maximum power consumption of 36mW. Welding conditions are compatible with reflow soldering: 245℃, ≤6s; manual welding <300℃, duration 3s. The package thickness is only 3.0-3.7mm, suitable for high-density PCB layouts.

Core Values:

Ultra-Small Size and SMT Compatibility: The 0.2-inch product has a thickness of only 3.0mm, adapting to standard SMT lines without requiring separate process adjustments for SMD components.

Dual Common-Cathode/Common-Anode Architectures: Shares the same electrical parameter design logic as the plug-in series, allowing purchasers to complete mixed selections of plug-in and SMD components within the same supplier system.

Low-Power Design: With a forward voltage of 1.8-2.4V and luminous intensity of 100mcd, it ensures visibility while reducing system power consumption.

Applicable Project Directions:


4. XL-DA/DB Plug-In Segment Series: Full Size Coverage from 0.28~0.56 Inches, Flexible 1~4 Digit Selection

To address spatial constraints on various device panels and display digit requirements, Chengxing Optoelectronics simultaneously launched the XL-DA (common-cathode)/XL-DB (common-anode) plug-in segment digital tube series. It covers three character height specifications—0.28 inches, 0.36 inches, and 0.56 inches—with options for 1, 2, 3, and 4 digits for each spec, forming a complete size-digit matrix.

Uniformly Anchored Electrical and Process Standards:

Across the entire plug-in digital tube series, under 20mA test conditions, the typical forward voltage is 2.0-2.6V, typical luminous intensity is 20mcd, wavelength is 620nm, and maximum power consumption is 36mW. Welding conditions are consistent: manual welding temperature <250℃, duration ≤3s; wave soldering preheat 100℃ (not exceeding 120℃, smooth ramp-up), welding temperature 235-245℃, duration <3s. Pins use standard 2.54mm pitch through-hole packaging, compatible with conventional PCB Layouts.

Core Values:

Tiered Coverage of Digits and Sizes: From 0.28 inches to 1 inch, full-series selection can be completed within the same supplier system, eliminating the need for cross-brand comparisons.

Parallel Common-Cathode/Common-Anode Options: Whether the existing driver circuit is common-cathode or common-anode, full-size matching products are available without sacrificing size or performance for the driver architecture.

Unified Packaging and Processes: All series use potting solid-state packaging, offering good shock resistance and a lifespan exceeding 50,000 hours. Welding parameters are highly compatible with mainstream production lines, requiring no additional equipment adjustments.

Applicable Project Directions:


5. F20 Plug-In Large Size LED: Two Colors, Same Parameters, No Extra Line Adjustments Needed

Simultaneously launched are the DLA-6SRD (red) and DLA-6SGD (standard green) F20 packaged plug-in LEDs. Measuring 23×23×19.5mm, they feature red and green bodies respectively, designed specifically for large-size illumination indication scenarios.

Core Advantages:

1. Highly Consistent Electrical Parameters: Typical forward voltage is 2.2V (IF=20mA). Peak wavelengths fall within the 615~625nm and 565~575nm ranges respectively. Driver circuits can be standardized, eliminating the need to adjust front-end parameters for different colors.

2. Compliance and Packaging: Products meet RoHS environmental requirements, have an MSL moisture sensitivity level of 2, adapt to standard SMT and plug-in production line processes, and use EIA standard packaging to reduce the frequency of scattered procurement.

Applicable Project Directions:


6. Welding Processes and Reliability: Front-Loaded Production Line Compatibility Design to Ensure First-Pass Yield

As plug-in components, the welding process compatibility of digital tubes directly impacts production efficiency and yield. Chengxing Optoelectronics provides clear and unified welding conditions for all series:

Plug-In Digital Tubes: Manual welding temperature <250℃, duration ≤3 seconds; Wave soldering preheat 100℃ (not exceeding 120℃, smooth ramp-up), welding temperature 235-245℃, duration <3 seconds.

SMD Digital Tubes: Reflow soldering 245℃, ≤6 seconds; Manual welding <300℃, duration 3 seconds.

Regarding reliability, all series adopt potting solid-state packaging technology, offering good shock resistance and high stability, with a service life exceeding 50,000 hours. Pins use standard 2.54mm pitch through-hole packaging, compatible with conventional PCB Layouts. SMD products fit standard SMT pads, further reducing production line adaptation costs.

Segment + Dot Matrix + Plug-In + SMD; Common-Cathode + Common-Anode dual drivers; Six luminous colors, three plug-in character heights, two SMD character heights, four dot matrix sizes, flexible 1~4 digit selection, and two F20 large-size LEDs.

One brand can cover the vast majority of digital tube and indicator display needs. For engineers, this means unified parameters, driver compatibility, clear welding processes, and diverse packaging forms. For procurement, it means comprehensive color options, tiered size coverage, flexible digit choices, and verifiable stock availability. Chengxing Optoelectronics' new digital tube series helps minimize detours in selection and production.

About Us

Shenzhen Chengxing Optoelectronic Technology Co., Ltd. is a high-tech enterprise integrating R&D, production, sales, and service. Established in 2012 with the independent brand "XINGLIGHT," it operates modern R&D bases in Shenzhen and Hubei. The company has passed ISO9001, ISO14001, and IATF16949 quality management system certifications, as well as multiple certifications including SGS, US Energy Star LM80, and Automotive Grade AEC-Q102. It also employs WMS smart warehousing ERP systems with strict process controls to ensure product quality reliability.

This content is original work by XINGLIGHT Chengxing Optoelectronics. Copyright belongs to Shenzhen Chengxing Optoelectronic Technology Co., Ltd. Unauthorized reproduction, reprinting, or use of all or part of this text in any form is prohibited. Please leave a message via backend to obtain authorization for reprinting. Legal action will be taken against infringement.